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Table 4 Association between intraoperative bleeding volume and perioperative characteristics

From: Transvaginal natural orifice endoscopic surgery for hysterectomy: a prospective cohort study

Varibles

Beta

95% CI

P-value

VIF

R2 = 0.296

    

Age(year)

0.757

(-0.38,1.88)

0.186

1.214

BMI(kg/m2)

1.733

(-0.62,4.09)

0.148

1.055

Maximum uterine diameter(cm)

5.631

(1.97,9.29)

0.003

1.252

History of abdominal surgery

-4.953

(-20.56,110.65)

0.532

1.199

Surgical approach(v-NOTES)

41.816

(25.81,57.82)

< 0.001

1.198

Surgical transfer

-16.653

(-74.66,41.35)

0.572

1.121

Duration of surgery

0.639

(0.45,0.83)

< 0.001

1.427

Pelvic adhesion

5.120

(-11.26,721.50)

0.538

1.193

  1. BMI: body mass index, v-NOTES: vaginal natural orifice transluminal endoscopic surgery, VIF: variance inflation factor