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Table 2 Factors possibly related to ΔVAS

From: Gynaecologists estimate and experience laparoscopic hysterectomy as more difficult compared with abdominal hysterectomy

 

ΔVAS < 3 (n = 59)

ΔVAS ≥ 3 (n = 11)a

Mean difference (95% CI)b

BMI (kg/m2)

26.5 ± 5.2

26.7 ± 4.4

NA

Time of surgery (min)

99 ± 37

119 ± 35

20 (−5 to 44)

Time of intubation (min)

120 ± 40

142 ± 34

22 (−4 to 47)

Time on OR (min)

129 ± 43

150 ± 31

21 (−2 to 44)

Blood loss (cc)

288 ± 269

382 ± 227

94 (−70 to 257)

Uterine weight (gram)

220 ± 182

215 ± 154

NA

Surgeon’s experiencec

30 (9–100)

30 (13–100)

NA

Complications (%)d

8 (13.6)

1 (9.1)

NA

  1. Data presented as mean ± standard deviation. Surgeon’s experience refers to the number of previously performed hysterectomies
  2. aOnly 11 cases with a positive ΔVAS ≥ 3 were used for this analysis (cases where experienced difficulty was higher than estimated difficulty)
  3. b95% confidence intervals of the mean difference (independent sample t-test)
  4. cData presented as median (range)
  5. dData presented as number (percentage)
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