Table 3 Operation time, postoperative stay, and re-operation of trial patients and non-randomised patients
From: Non-randomised patients in a cholecystectomy trial: characteristics, procedures, and outcomes
N | Operation time, min | Postoperative stay, days | Re-operation | Re-admitted within 30 days | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | SD | Mean | Median | Percentiles | N | % | N | % | |||
25% | 75% | ||||||||||
Trial patients | 724 | 101 | 45 | 2.6 | 2 | 1 | 3 | 17 | 2.3 | 47 | 6.5 |
Non-randomised patients | 993 | 100 | 47 | 4.9 | 3 | 2 | 6 | 23 | 2.3 | 60 | 6.1 |
p = 0.67 | P < 0.001 | p = 0.92 | p = 0.71 | ||||||||