Table 2 Risk factors associated with prolonged operation time in 651 HCC patients
Multivariate analysis | ||
|---|---|---|
Possible risk factors | B (95 % CI) | P value |
Age | – | NS |
≤50 years = 0 | ||
>50 years = 1 | ||
Sex | – | NS |
Female = 0 | ||
Male = 1 | ||
BMI | – | NS |
≤24 = 0 | ||
>24 = 1 | ||
CA depth ratio | 14.2 (8.8–19.7) | <0.001 |
≤0.36 = 0 | ||
>0.36 = 1 | ||
Previous abdominal surgery | 15.8 (7.9–19.7) | <0.001 |
No = 0 | ||
Yes = 1 | ||
Child-Pugh classification | – | NS |
Grade A = 0 | ||
Grade B = 1 | ||
TNM stage | 27.2 (21.0–33.5) | <0.001 |
Stage I and II = 0 | ||
Advanced stage = 1 | ||
Selective hepatic vessel occlusion | 8.5 (2.8–14.1) | 0.004 |
No = 0 | ||
Yes = 1 | ||
CUSA | 8.7 (2.9–14.6) | 0.004 |
No = 0 | ||
Yes = 1 | ||
Determinate coefficient R 2 = 0.224 | ||