Table 3 Factors associated with operative time (min).
LTG | LDG | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Univariate | Multivariate | P | Univariate | Multivariate | P | ||||
P | RC* | P | RC* | ||||||
Type of visualization | 3D | 351 (335–381) | 0.026 | −58 (−103 to −14) | 0.013 | 269 (243–326) | <0.01 | −50 (−79 to −20) | <0.01 |
2D | 406 (367–465) | reference | 344 (288–402) | reference | |||||
Reconstruction | Overlap | 448 (351–471) | 0.21 | ||||||
FEEA | 375 (336–405) | ||||||||
Roux-Y | 364 (302–421) | <0.01 | 81 (49–113) | <0.01 | |||||
Billroth-I | 269 (244–300) | reference | |||||||
Billroth-II | 351 (269–390) | 90 (45–136) | <0.01 | ||||||
T factor | T1 | 369 (345–384) | 0.82 | 299 (253–351) | 0.077 | reference | 0.62 | ||
>T2 | 383 (342–427) | 327 (269–408) | 8.3 (−25–41) | ||||||
Lymphadenectomy | D1+ | 358 (308–448) | 0.19 | reference | 0.036 | 276 (253–335) | <0.01 | reference | <0.01 |
D2 | 385 (351–406) | 47 (3.4–91) | 367 (275–402) | 55 (22–87) | |||||
Operators | OwBC | 375 (348–405) | 0.76 | 327 (257–392) | 0.82 | ||||
OwoBC | 384 (308–469) | 300 (262–364) | |||||||
BMI | <25 | 359 (335–397) | 0.035 | reference | 0.080 | 289 (267–351) | 0.71 | ||
≥25 | 405 (385–469) | 46 (−6.7–98) | 326 (253–390) | ||||||
Sex | Female | 369 (336–381) | 0.17 | reference | 0.24 | 299 (247–393) | 0.72 | ||
Male | 387 (347–469) | 27 (−19–72) | 302 (268–374) | ||||||
