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Table 2 The clinical outcomes of the USES group versus CUS group

From: Ultrasonic surgical and electrosurgical system (USES) with conventional ultrasonic scalpel (CUS) in gastrectomy: a retrospective cohort study

 

CUS

USES

Adjusted difference: USES vs CUS

Mean (SD)

Mean (SD)

Estimates (95% CI)

p-value

Number of hemoclips

23.40 (7.80)

19.00 (5.90)

− 4.27 (− 7.97, − 0.57)

 < 0.05

Intraoperative blood loss (ml)

103.56 (57.77)

61.62 (30.98)

− 34.18 (− 59.62, − 8.74)

 < 0.05

Operative time (min)

205.00 (62.59)

184.47 (60.12)

− 27.55 (− 59.34, 4.24)

0.10

Postoperative length of stay (days)

9.26 (2.81)

7.90 (1.95)

− 0.89 (− 0.79, 1.00)

0.05

Postoperative severe complications (n [%])

 Yes

0 [0]

0 [0]

 No

47 [100%]

40 [100%]

  
  1. Adjusted difference: the coefficient of treatment indicator (USES vs. CUS, coded as 1 vs. 0) in a linear regression by controlling age, gender, height, weight, BMI, smoking status, medical conditions, and cancer stage
  2. CUS conventional ultrasonic scalpel, USES ultrasonic surgical and electrosurgical system, SD standard deviation.