Table 2.
During learning curve | After learning curve | p | ||
---|---|---|---|---|
112 | 362 | |||
Operating time (median (IQR)) | 221 [189, 253] | 178 [139, 225] | < 0.001 | |
Conversion (n, %) | 4 (3.6) | 14 (3.8) | 0.54 | |
Intra-operative complications (n, %) | Ureter/urethra injury (n, %) | 1 (0.9) | 2 (0.6) | 0.77 |
Bladder injury (n, %) | 0 (0.0) | 2 (0.6) | ||
Vagina injury (n, %) | 2 (1.8) | 2 (0.6) | ||
Other | 4 (3.6) | 8 (2.2) | ||
Surgical procedure (%) | APR | 45 (40.2) | 125 (34.5) | 0.24 |
LAR + anastomosis | 56 (50.0) | 212 (58.6) | ||
LAR + stoma | 11 (9.8) | 25 (6.9) | ||
30-day surgical morbidity (n, %) | 24 (21.4) | 132 (36.5) | 0.004 | |
Anastomotic leakage (n, %) | 3 (5.3) | 28 (13.1) | 0.15 | |
Abcess (n, %) | 2 (1.8) | 23 (6.4) | 0.10 | |
Bleeding (n, %) | 2 (1.8) | 14 (3.9) | 0.44 | |
Ileus (n, %) | 12 (10.7) | 66 (18.2) | 0.08 | |
Wound infection (n, %) | 4 (3.6) | 18 (5.0) | 0.72 | |
Clavien–Dindo > IIIa (n, %) | 11 (9.8) | 55 (15.3) | 0.19 | |
30-day mortality (n, %) | 0 (0.0) | 7 (1.9) | 0.30 | |
LOS (median (IQR)) | 6 [5, 8] | 6 [4, 11] | 0.71 | |
Reintervention (n, %) | 10 (8.9) | 55 (15.2) | 0.13 | |
Readmission (n, %) | 15 (13.4) | 64 (17.7) | 0.36 | |
CRM + (n, %) | 7 (6.2) | 20 (5.5) | 0.96 | |
incomplete TME (n, %) | 1 (0.9) | 12 (3.3) | 0.30 | |
Compound pathological outcome (n, %) | 8 (7.1) | 29 (8.0) | 0.92 |
IQR interquartile range, LOS length of (hospital) stay, CRM + positive circumferential margin, TME total mesorectal excision