Table 3 Univariate and multivariate regression analyses for operative time for TME in all patients (n = 65).

From: Three-dimensional visualization of the total mesorectal excision plane for dissection in rectal cancer surgery and its ability to predict surgical difficulty

Factors

Univariate analysis

Multivariate analysis

β value

P value

β value

P value

Sex (male vs. female)

0.438

0.0003

0.132

0.292

BMI

0.343

0.005

0.109

0.328

Distance from anal verge

0.140

0.266

  

Tumor size

0.216

0.083

  

RT or CRT (with vs. without)

0.028

0.826

  

Interspinous distance

− 0.219

0.080

  

Intertuberous distance

− 0.189

0.133

  

Pelvic inlet

− 0.197

0.115

  

Pelvic tubercle height

0.170

0.177

  

Mesorectal fat area

0.385

0.002

0.223

0.045

TME difficulty index

− 0.560

< 0.0001

− 0.398

0.0025

  1. TME total mesorectum excision, BMI body mass index, RT radiation therapy, CRT chemoradiotherapy.
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