Results of univariate and multivariate linear regression in MTV*
| Univariate regression | Multivariate regression | |||
|---|---|---|---|---|
| β±SE | p Value | β±SE | p Value | |
| Serum SCC-ag | ||||
| <3.95 | Reference | |||
| ≥3.95 | 6.5±2.38 | 0.008 | ||
| FIGO stage | ||||
| Ib1 | Reference | Reference | ||
| Ib2 | 11.39±2.74 | <0.001 | 7.5±3.61 | 0.041 |
| IIa | 3.52±2.19 | 0.111 | 1.83±2.26 | 0.420 |
| Tumor maximum size (cm) | ||||
| <4 | Reference | |||
| ≥4 | 7.5±2.3 | 0.002 | ||
| Cervical stromal invasion depth | ||||
| <1/2 | Reference | Reference | ||
| ≥1/2 | 7.4±2.2 | 0.001 | 5.24±2.2 | 0.02 |
*Factors that showed statistically significant differences in univariate analysis were included in multivariate model with stepwise model selection to further detect the influence factors. The results of stepwise model selection were presented in multivariate analysis.
FIGO, International Federation of Gynecology and Obstetrics; MTV, metabolic tumor volume; SCC-ag, squamous cell carcinoma antigen.