Table 1 Characteristics of patient preoperative variables.

From: Effect of prewarming on body temperature in short-term bladder or prostatic transurethral resection under general anesthesia: A randomized, double-blind, controlled trial

 

Control

(n = 76)

15-min

(n = 74)

30-min

(n = 73)

45-min

(n = 74)

Age, years

70 ± 13

73 ± 11

70 ± 12

71 ± 11

Male gender, No. (%)

66 (87)

64 (86)

49 (67)

67 (91)

Body mass index, kg m−2

27.5 ± 4.6

27.7 ± 4.1

27.5 ± 4.3

28.0 ± 4.5

Body surface area, m2

1.9 ± 0.2

1.9 ± 0.2

1.9 ± 0.2

2.0 ± 0.2

Type of transurethral resection, No. (%)

Bladder

61 (80)

67 (90)

63 (86)

56 (76)

Prostatic

15 (20)

7 (10)

10 (14)

18 (24)

ASA physical status, No. (%)

I

3 (4)

0 (0)

3 (4)

1 (1)

II

27 (35)

32 (43)

31 (43)

30 (41)

III

44 (58)

38 (51)

38 (52)

41 (55)

IV

2 (3)

4 (5)

1 (1)

2 (3)

  1. Data are expressed as mean ± SD or frequency and percentage. ASA, American Society of Anesthesiologists; 15-min, prewarmed for 15 min; 30-min, prewarmed for 30 min; 45-min, prewarmed for 45 min.
  2. Body Surface Area equation: Square root of (Weight (kg) × height (cm)/3600).
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