Cochrane · systematic review · CD005391

Workload and surgeon´s specialty for outcome after colorectal cancer surgery

Archampong, D, Borowski, D, Wille‐Jørgensen, P, et al. · Cochrane Database of Systematic Reviews · 2012 · Cochrane Library

ColorectalAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
27
current version
GRADE rated
27
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 11 · 40.7%Low 16 · 59.3%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Hospital volume and primary outcomes after colorectal cancer surgery (adjusted analyses)

Population: Patients with outcomes after colorectal cancer surgery
6 questions
OutcomeEffectEvidenceStatus / GRADE
Overall five year survival ‐ Colorectal cancer
HR 0.9 [0.84, 0.95]2 studies · 36858 participantsVery low
Downgraded: inconsistency
Overall five year survival ‐ Colon cancer
HR 0.97 [0.77, 1.22]2 studies · 5211 participantsVery low
Downgraded: risk of bias
Overall five year survival ‐ Rectal cancer
HR 0.85 [0.77, 0.95]3 studies · 4028 participantsLow
Downgraded: risk of bias, inconsistency
Inpatient and 30 day mortality ‐ Colorectal cancer
OR 0.98 [0.79, 1.2]3 studies · 77823 participantsVery low
Downgraded: inconsistency
Inpatient and 30 day mortality ‐ Colon cancer
OR 0.89 [0.78, 1.01]7 studies · 263071 participantsVery low
Downgraded: inconsistency
Inpatient and 30 day mortality ‐ Rectal cancer
OR 1.07 [0.76, 1.5]5 studies · 14941 participantsVery low
Downgraded: inconsistency

Hospital volume and secondary outcomes after colorectal cancer surgery (adjusted analyses)

Population: Patients with outcomes after colorectal cancer surgery
5 questions
OutcomeEffectEvidenceStatus / GRADE
Five year local recurrence rate ‐ Rectal cancer
HR 0.77 [0.51, 1.16]3 studies · 2986 participantsVery low
Downgraded: inconsistency
Anastomotic leak rate ‐ Colon cancer
OR 1.44 [0.8, 2.59]1 study · 2808 participantsLow
Downgraded: risk of bias, inconsistency
Anastomotic leak rate ‐ Rectal cancer
OR 0.72 [0.48, 1.09]2 studies · 2615 participantsLow
Downgraded: risk of bias, inconsistency
Permanent stoma rate ‐ Rectal cancer
OR 0.57 [0.35, 0.92]2 studies · 7093 participantsVery low
Downgraded: inconsistency
Abdominoperineal excision of the rectum rate ‐ Rectal cancer
OR 0.55 [0.42, 0.72]1 study · 894 participantsVery low
Downgraded: risk of bias

Surgeon volume and primary outcomes after colorectal cancer surgery (adjusted analyses)

Population: Patients with outcomes after colorectal cancer surgery
6 questions
OutcomeEffectEvidenceStatus / GRADE
Overall five year survival ‐ Colorectal cancer
HR 0.87 [0.82, 0.92]2 studies · 15462 participantsLow
Downgraded: inconsistency
Overall five year survival ‐ Colon cancer
HR 0.84 [0.76, 0.93]1 study · 2905 participantsLow
Downgraded: inconsistency
Overall five year survival ‐ Rectal cancer
HR 0.99 [0.86, 1.14]1 study · 1903 participantsLow
Downgraded: inconsistency
Five year disease specific survival ‐ Colorectal cancer
HR 0.94 [0.78, 1.13]1 study · 1416 participantsLow
Downgraded: inconsistency
Inpatient and 30 day mortality ‐ Colon cancer
OR 0.79 [0.61, 1.02]3 studies · 47584 participantsVery low
Downgraded: inconsistency
Inpatient and 30 day mortality ‐ Rectal cancer
OR 0.79 [0.51, 1.22]1 study · 1903 participantsLow
Downgraded: inconsistency

Surgeon volume and secondary outcomes after colorectal cancer surgery (adjusted analyses)

Population: Patients with outcomes after colorectal cancer surgery
4 questions
OutcomeEffectEvidenceStatus / GRADE
Anastomotic leak rate ‐ Colon cancer
OR 0.66 [0.36, 1.21]1 study · 2570 participantsLow
Downgraded: risk of bias
Anastomotic leak rate ‐ Rectal cancer
OR 0.61 [0.29, 1.28]1 study · 1929 participantsLow
Downgraded: risk of bias
Permanent stoma rate ‐ Rectal cancer
OR 0.65 [0.46, 0.91]1 study · 1323 participantsLow
Downgraded: risk of bias
Abdominoperineal excision of rectum rate ‐ Rectal cancer
OR 0.2 [0.1, 0.4]1 study · 180 participantsVery low
Downgraded: risk of bias

Surgeon specialisation and primary and secondary outcomes after colorectal cancer surgery (adjusted analyses)

Population: Patients with outcomes after colorectal cancer surgery
6 questions
OutcomeEffectEvidenceStatus / GRADE
Overall five year survival ‐ Colorectal cancer
HR 0.81 [0.71, 0.94]4 studies · 14628 participantsLow
Downgraded: inconsistency
Five year disease specific survival ‐ Colorectal cancer
HR 0.74 [0.62, 0.88]1 study · 2186 participantsLow
Downgraded: inconsistency
Inpatient and 30 day mortality ‐ Colorectal cancer
OR 0.74 [0.6, 0.91]2 studies · 11973 participantsLow
Downgraded: inconsistency
Five year local recurrence rate ‐ Colorectal cancer
HR 0.56 [0.44, 0.71]1 study · 2587 participantsLow
Downgraded: inconsistency
Anastomotic leak rate ‐ Colorectal cancer
OR 0.71 [0.31, 1.63]2 studies · 8563 participantsVery low
Downgraded: inconsistency
Permanent stoma rate ‐ Rectal cancer
OR 0.7 [0.53, 0.94]1 study · 2026 participantsLow
Downgraded: inconsistency