The authors state the central negative with moderate confidence; the reported results provide low support for it — the key cost–outcome results are imprecise, wide-interval nulls with no pre-specified equivalence margin, and the analysis carries no adjustment for how sick or complex each patient was. The study is careful and the deterministic checks are clean; the gap is one of framing, not error.
This manuscript asks what an enterprise colectomy dashboard can honestly tell a surgeon or service line about “value.” Drawing on 5,831 colectomies by 194 surgeons across 31 hospitals, it reports that the routine measures (operating time, supply cost, complications, length of stay, conversion) do not move together, and that higher disposable supply cost is not associated with fewer short-term events. The cautionary message — do not judge value from a single metric — is well-matched to the design, and the reported numbers are internally consistent.
Two issues bear on how strongly the central negative can be stated. First, the cost–outcome results are imprecise nulls: confidence intervals (for example, reoperation OR 1.03, 95% CI 0.76–1.38) still admit clinically meaningful effects, and no equivalence margin is set, so “not associated” overstates a “none detected.” Second, the comparison carries no adjustment for case complexity (diagnosis, severity, comorbidity were unavailable), so confounding by indication can mask a real relationship. Both are disclosed by the authors. Four further findings are summarized below. The deterministic forensic layer found no numerical inconsistencies.
What the manuscript states, against what the evidence can support.
| Domain | Severity | Principal finding | |
|---|---|---|---|
| 01 | Design / claim fit | Moderate | Cost–outcome inference drawn without adjustment for diagnosis, severity, or comorbidity. |
| 02 | Results / conclusion alignment | Moderate | An imprecise, wide-CI null is read as a demonstrated cost–outcome dissociation. |
| 03 | Statistical appropriateness | Moderate | Surgeon-level estimates fragile on sparse volume; observed-subset missingness. |
| 04 | Reporting guideline adherence | Mild | STROBE cited; RECORD extension for routinely-collected data not mapped. |
| 05 | Numerical / statistical consistency | No findings | Cohort counts and repeated numeric values reconcile where checked. |
| 06 | Clinical interpretability / verdict | Moderate | Cautious, well-hedged thesis; the central nulls are limited by precision. |
| 07 | Contribution & literature positioning | Moderate | The “first enterprise-scale” framing overlaps a retrieved 2023 network study; a real local contribution, but the primacy claim outruns the record RigorMD retrieved. |
Language calibration: 1 must-change wording · 2 precision polish. Analytic work: 2 need source-data or analytic work · 1 optional sensitivity check.
| Severity | Domain | Finding | Author action | Evidence | Locus |
|---|---|---|---|---|---|
| Moderate | 01 · Design | The cost–outcome conclusion is drawn without adjustment for diagnosis, disease severity, ASA class, or comorbidity (confounding by indication on the central inference). | New analysis needed | Quote | Central |
| Moderate | 02 · Alignment | Wide-CI, non-significant cost–outcome results (e.g. reoperation OR 1.03, 95% CI 0.76–1.38) are presented as a demonstrated “dissociation,” with no equivalence margin. | Must-change wording | Quote | Central |
| Moderate | 03 · Statistics | Surgeon-level variance (ICC) and correlation estimates rest on sparse volume (median 9.5 cases; 65 of 194 surgeons with 1–4) and one cost model did not converge. | New analysis needed | Quote | Central |
| Moderate | 03 · Statistics | Length of stay (57.6%) and the readmission proxy (29.9%) are analyzed on a nonrandom observed subset, with no imputation or sensitivity analysis. | Optional sensitivity analysis | Quote | Peripheral |
| Mild | 03 · Statistics | Many models and 30 subgroup analyses are run without multiplicity adjustment; mitigated by explicitly exploratory framing. | Statistical precision | Quote | Peripheral |
| Mild | 04 · Reporting | A study built entirely from routinely-collected enterprise data is not mapped to the RECORD reporting extension. | Statistical precision | Checklist | Peripheral |
This study can show cost and early complications did not track each other in these data; it cannot rule out that the costlier cases were simply the harder ones. Clinically, do not treat “cost does not predict outcomes” as the last word — the cases that cost more may also be the ones more likely to have problems.
Confounding by indication (ROBINS-I: confounding). The adjustment set omits diagnosis, severity, ASA, and comorbidity; disposable cost proxies case complexity, so the cost–outcome estimate is open to residual confounding that biases toward the null. Disclosed and tempered by the authors.
Clinical consequence: a reader could relax scrutiny of high-cost practice on the strength of a null that is partly a complexity artifact.
The study found no clear link between higher supply cost and fewer early complications, but the result’s range still allows a real effect it was too small to detect. Clinically, read this as “not shown here,” not “proven absent.”
Absence of evidence treated as evidence of absence. Key null ORs near 1.03 with wide CIs; uncommon binary events limit power; no pre-specified equivalence margin or TOST/ROPE. The fix is wording plus a minimum detectable effect or equivalence bound, not a re-run.
Recomputed directly from the manuscript’s reported values — no numerical inconsistencies were found.
“…not associated with lower 30-day reoperation (OR 1.03; 95% CI, 0.76–1.38; p = 0.87).”Odds ratio with 95% CI and p-value
Operative approach: robotic 1,799, laparoscopic 2,216, converted 313, open 1,503.Cohort stated as N = 5,831
In order. The cheap wording fix is also the most important.
Suggested wording is triaged by author action. Some wording overstates the evidence and should change; some is recommended risk reduction; some is precision polish; some is left to author discretion.
“Higher disposable supply cost was not associated with fewer short-term events.”
“No significant association was detected between disposable supply cost and short-term events; the confidence intervals do not exclude clinically meaningful effects (reoperation OR 1.03, 95% CI 0.76–1.38).”
“Colectomy value measures did not move together — a dissociation of cost and outcomes.”
“In these data the value measures were weakly correlated at most; the study was not powered to establish that the domains are truly independent.”
“The surgeon intraclass correlation for operating-room time was 0.094.”
“The surgeon ICC was 0.094 (report a 95% confidence interval; with a median of about nine cases per surgeon these estimates are imprecise).”
“These data should not be used for surgeon rankings, compensation, or platform decisions.”
“These data should not be used for surgeon rankings, compensation, or platform decisions.” The current wording is well-judged; this is a conservative clarity note, not a required change.
Checked against RigorMD’s journal registry. Compliance items reflect the journal’s formatting and submission rules; they do not affect the methodological severity grade above.
Cited DOI and PMID identifiers, resolved against the public registries — Crossref, the DOI handle registry, and PubMed — as of 2026-06-23. A ✓ means the registry record exists and is consistent with the citation as printed; it does not assess whether the cited work supports the claim it is attached to. An identifier the check could not reach is listed as not checked, never assumed to resolve. Problems found here also appear as findings above. 4 of 5 cited identifiers were checked: 1 resolves to a different work · 1 does not resolve · 2 resolve · 1 not checked.
| Identifier | Outcome | Registry | Notes |
|---|---|---|---|
| DOI 10.1016/j.jamcollsurg.2026.01.118 | ✗ Resolves to a different work | Crossref | DOI 10.1016/j.jamcollsurg.2026.01.118 resolves at Crossref to "Hospital volume and outcomes after elective colectomy" (2019), which does not match the citation as printed (checked 2026-06-23) |
| DOI 10.1007/s00384-026-04517-3 | ✗ Does not resolve | DOI handle registry | DOI 10.1007/s00384-026-04517-3 does not resolve at Crossref or the DOI handle registry as of 2026-06-23 |
| DOI 10.1097/SLA.0000000000091214 | — Not checked | — | The registry could not be reached. |
| DOI 10.1097/DCR.0000000000002841 | ✓ Resolves | Crossref | |
| PMID 37412905 | ✓ Resolves | PubMed |
Findings — see below
The prior literature RigorMD retrieved into an evidence pack and compared with this manuscript's positioning as of 2026-06-23. This is a positioning-risk check, not a novelty score: it flags where a claim may overlap, understate, or be contradicted by retrieved prior work. It does not assert that a contribution is novel or first — a clean result means only that no directly overlapping prior study was found in this evidence pack. The retrieval is bounded and time-stamped; treat it as a starting point for your own literature review, not a replacement for it. Positioning risks found here also appear as findings above. One retrieved prior study reports the same enterprise-scale surgeon-variation cost–outcome analysis the abstract frames as the first of its kind.
Priors we compared you against. The prior work RigorMD retrieved and compared this manuscript against — disclosed so you can see the evidence pack behind the assessment. Listing a work here is not an instruction to cite it; it is the basis on which the positioning was checked.
| Prior work | Year | Identifier | In your references |
|---|---|---|---|
| Surgeon-level variation in the cost–outcome relationship for colorectal resection across a hospital network | 2023 | PMID 37021884 | Not in your references |
| Do value measures move together? A multi-hospital analysis of elective colectomy | 2021 | DOI 10.1097/DCR.0000000000002119 | In your references |
| Disposable supply cost and short-term outcomes after major abdominal surgery: an enterprise cohort | 2024 | PMID 38455120 | Not in your references |
The manuscript positions itself as the first enterprise-scale look at surgeon variation in the cost–outcome relationship for colectomy, but a 2023 network study RigorMD retrieved reports a closely overlapping analysis. This is a positioning risk, not an error in the results — the claim of primacy is stronger than the retrieved record supports.
“Across 28 hospitals we found that surgeon-level variation in disposable supply cost was not associated with differences in 30-day complications, challenging the assumption that higher spend reflects safer practice.”From the prior work RigorMD retrieved and compared
Literature assessed as of 2026-06-23. Bounded PubMed retrieval on the manuscript's own concept pair, not a systematic review; a work not surfaced here was not necessarily absent from the literature. Listing a prior is disclosure of what was compared, not an instruction to cite it.
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