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Table 2 Descriptive variables of the group A, group B and group C

From: Effects of different thermal insulation methods on the nasopharyngeal temperature in patients undergoing laparoscopic hysterectomy: a prospective randomized controlled trial

  Group A(n = 25) Group B(n = 25) Group C(n = 25) F value P value
Age (years) 53.28 ± 6.91 51.52 ± 7.6 54.32 ± 6.30 1.034 0.361
BMI (kg/m2) 23.31 ± 3.07 23.50 ± 2.91 23.62 ± 3.01 0.066 0.936
ASA grade(I/II) 13/12 16/9 12/13 / 0.497
Surgery time (min) 108 ± 8 111 ± 8 109 ± 9 0.770 0.467
Anesthesia time (min) 135 ± 9 139 ± 8 136 ± 9 1.279 0.284
Blood loss (ml) 38.60 ± 6.70 39.80 ± 6.69 40.28 ± 8.84 0.335 0.717
Urine output (ml) 338.00 ± 96.05 340.00 ± 76.38 358.00 ± 89.77 0.394 0.676
Wake-up time (min)a 24 ± 4 21 ± 4 22 ± 4 4.816 0.011
Infusion volume (ml) 1000 1000 1000 / /
  1. Values are presented as mean (standard deviation) or counts
  2. ASA American society of anesthesiologists, BMI Body Mass Index
  3. aWake-up time: The time from the patient stops inhaling sevoflurane until the laryngeal mask was removed