Table 5.
Risk factor | Regression coefficient | 95 % CI | P value |
---|---|---|---|
Intercept | −34.434 | (−36.158, −32.711) | <0.001 |
Gender | |||
Male | Ref | Ref | NA |
Female | −0.012 | (−1.303, 1.280) | 0.986 |
Age | |||
≦30 years old | Ref | Ref | NA |
31–50 years old | 23.799 | (21.489, 26.108) | <0.001 |
51–70 years old | 25.408 | (23.982, 26.834) | <0.001 |
>70 years old | 25.555 | (25.555, 25.555) | NA |
ASA class | |||
I–II | Ref | Ref | NA |
III–IV | −0.132 | (−1.498, 1.235) | 0.850 |
Anesthesia technique | |||
General anesthesia | Ref | Ref | NA |
Intravenous sedation anesthesia | 2.364 | (0.853, 3.875) | 0.002 |
Regional anesthesia | 2.828 | (1.267, 4.390) | <0.001 |
Reference groups were chosen according to the subgroup with highest proportion (i.e., male group, ASA class, and general anesthesia) or the first subgroup in the analysis
CI confidence interval, Ref reference value, NA not applicable