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Table 1 Patient characteristics

From: Comparison of volume-controlled ventilation mode and pressure-controlled ventilation with volume-guaranteed mode in the prone position during lumbar spine surgery

 

VCV (n = 18)

PCV-VG (n = 18)

Age (years)

50.0 (41–60)

56 (52–61)

Male/female

11/7

11/7

BMI (kg/m2)

24.1 (22.4–26.8)

24.5 (22.6–27.4)

ASA PS classification (I/II/III)

5/9/4

2/13/3

Duration of anesthesia (min)

240 (176–280)

295 (204–341)

Duration of surgery (min)

163 (108–196)

223 (115–244)

  1. BMI body mass index, ASA PS classification, American Society of Anesthesiologists physical status classification, VCV volume-controlled ventilation, PCV-VG pressure-controlled ventilation with volume guaranteed
  2. Data are listed as the median (interquartile range) or number of patients