Table 2 Univariate and multivariate analysis of predictive factors for conversion
Variable | Univariate analysis n (%) | p | Multivariate analysis OR [IC 95%] | p |
|---|---|---|---|---|
Sex | 0.361 | |||
Male | 61/264 (23.3) | |||
Female | 26/136 (19.1) | |||
Age | 0.05 | 1.59 (0.86—2.92) | 0.14 | |
< 60 | 18/117 (15.5) | |||
> 60 | 69/283 (24.5) | |||
PS status | 0.91 | |||
0–1 | 84/387 (21.8) | |||
2–3 | 3/13 (23.1) | |||
ASA score | 0.423 | |||
1–2 | 72/343 (21.0) | |||
3–4 | 13/50 (27.1) | |||
Tumor location | 0.73 | |||
Low | 26/116 (22.4) | |||
Mid | 24/124 (19.5) | |||
High | 36/155 (23.4) | |||
Neoadjuvant CRT | 0.28 | |||
No | 20/108 (18.7) | |||
Yes | 67/283 (23.8) | |||
BMI | < 0.001 | 2.48 (1.38—4.47) | 0.002 | |
< 28 | 50/299 (16.7) | |||
> 28 | 36/97 (36.0) | |||
Body surface | 0.001 | 1.79 (0.97—3.33) | 0.06 | |
< 1.8 | 24/173 (14) | |||
> 1.8 | 62/221 (28.2) | |||
Previous laparotomy | 0.84 | |||
No | 83/380 (21.9) | |||
Yes | 4/20 (21.1) | |||
Senior surgeon | 0.006 | 1.72 (0.94—3.14) | 0.07 | |
No | 26/78 (33.3) | |||
Yes | 61/322 (19.1) | |||
Case number > 50 | 0.78 | |||
No | 80/365 (22) | |||
Yes | 7/35 (20) | |||
Case number > 25 | 0.009 | 2.06 (0.94—4.52) | 0.07 | |
No | 78/319 (24.6) | |||
Yes | 9/81 (11.1) | |||
pT stage | 0.005 | 5.78 (2.10—15.90) | 0.001 | |
0–3 | 76/377 (20.2) | |||
4 | 10/22 (47.6) | |||
M stage | 0.401 | |||
M0 | 78/347 (22.6) | |||
M1 | 9/52 (17.3) | |||
Tumor size | 0.553 | |||
< 6 cm | 65/319 (20.5) | |||
> 6 cm | 10/41 (24.4) |