Table 2 Analysis of clinical outcomes
Variables | Before PSM | After PSM | ||||||
|---|---|---|---|---|---|---|---|---|
Total (n = 561) | CLS (n = 260) | SILS (n = 301) | P | Total (n = 376) | CLS (n = 188) | SILS (n = 188) | P | |
Surgical time (minute)# | 82 (65,105) | 85 (65,105) | 80 (61,103) | 0.237 | 85 (65,109.25) | 85.20 (65, 105.17) | 85 (66.50, 110) | 0.876 |
blood loss during surgery (ml)# | 4 (3,5) | 4 (3,5.25) | 4 (3,5) | 0.212 | 4 (3,5) | 4 (3,6) | 4 (3,5) | 0.289 |
Length of postoperative hospital stay (day)# | 7 (6,8) | 7 (7,9) | 7 (6,7.7) | < 0.001^^^ | 7 (6,8) | 7 (7,9) | 7 (6,8) | 0.004^^ |
Postoperative complications, n (%)ǂ | 0.515 | 0.439 | ||||||
No | 499 (88.95) | 227 (87.31) | 272 (90.37) | 330 (87.77) | 163 (86.70) | 167 (88.83) | ||
Mild | 47 (8.38) | 25 (9.62) | 22 (7.31) | 36 (9.57) | 18 (9.57) | 18 (9.57) | ||
Severe | 15 (2.67) | 8 (3.08) | 7 (2.33) | 10 (2.66) | 7 (3.72) | 3 (1.60) | ||
Conversion, n(%)ǂ | 0.033^ | 0.139 | ||||||
No | 511 (91.09) | 244 (93.8) | 267 (88.7) | 344 (91.5) | 176 (93.6) | 168 (89.4) | ||
Yes | 50 (8.91) | 16 (6.2) | 34 (11.3) | 32 (8.5) | 12 (6.4) | 20 (10.6) | ||
Excretion time (hour)# | 23 (21, 29) | 24 (22, 30) | 22 (21, 27) | < 0.001^^^ | 23 (21, 28) | 24.50 (22, 29) | 22 (21, 27) | < 0.001^^^ |
Fasting time (hour)# | 54 (43, 64) | 53.50 (44, 65) | 55 (42, 64) | 0.498 | 54 (44, 64) | 55 (45, 66) | 54 (42, 63) | 0.013^ |
Re-admission within 30 days, n(%)ǂ | 0.429 | 0.291 | ||||||
No | 530 (94.47) | 243 (93.46) | 287 (95.35) | 352 (93.62) | 173 (92.02) | 179 (95.21) | ||
Yes | 31 (5.53) | 17 (6.54) | 14 (4.65) | 24 (6.38) | 15 (7.98) | 9 (4.79) | ||
Scar assessment* | 5.6 ± 1.3 | 6.1 ± 1.4 | 4.5 ± 1.4 | < 0.001^^^ | 5.4 ± 1.5 | 6.0 ± 1.3 | 6.0 ± 1.3 | < 0.001^^^ |
Satisfaction score* | 4.6 ± 0.7 | 4.5 ± 0.7 | 4.6 ± 0.7 | 0.092 | 4.6 ± 0.6 | 4.4 ± 0.5 | 4.6 ± 0.7 | 0.003^^ |