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Table 1 Baseline characteristics of the study groups

From: Comparison of intrathecal low-dose bupivacaine and morphine with intravenous patient control analgesia for postoperative analgesia for video-assisted thoracoscopic surgery

 

Group M (n=30)

Group B (n=30)

Group C (n=30)

P

Gender, N (%): Female

17

20

18

0.721

Gender, N (%): Male

13

10

12

0.721

Age (years)

56.4±4.6

55.7±5.7

57.8±4.6

0.281

Weight (kg)

68.2±8.9

66.4±7.7

65.5±9.3

0.471

Height (cm)

167.8 ± 7.4

166.8 ± 6.2

166.9 ± 7.0

0.825

BMI (kg/m2)

24.2 ± 2.8

23.9 ± 3.0

23.5 ± 3.0

0.639

ASA physical status (1/2)

14/16

16/14

15/15

0.875

Hb(g/L)

132.2 ± 5.1

131.9 ± 5.0

133.1 ± 5.5

0.642

WBC (cells/mm3)

6.44 ± 1.71

6.57 ± 2.00

6.06 ± 1.80

0.545

Platelet (cells/mm3)

167.4 ± 30.1

172.3 ± 34.5

180.3 ± 44.0

0.390

Albumin (unit)

40.0 ± 1.3

40.1 ± 1.4

39.9 ± 1.4

0.800

Underlying disease(s)

 Diabetes mellitus

4 (13.3%)

5 (16.7%)

7 (23.3%)

0.587

 Hypertension

10 (33.3%)

11 (36.7%)

12 (40%)

0.866

 Dyslipidemia

9 (30%)

6 (20%)

7 (23.3%)

0.656

Smoking

9 (30%)

6 (20%)

7 (23.3%)

0.656

Chest drain(3/4/5 days)

6/16/8

5/13/12

5/15/10

0.839

Duration of surgery(min)

86.8 ± 17.5

84.8 ± 16.7

88.3 ± 20.9

0.763

One lung ventilation time(min)

74.3 ± 18.3

72.5 ± 17.4

70.5 ± 21.1

0.737

Hospital stay(days)

5 (4, 6)

5 (4, 6)

5 (4, 5)

0.192

Fluid (ml)

821.7 ± 147.2

860.0 ± 141.1

900.0 ± 177.1

0.157

Blood loss (ml)

75 (60, 90)

80 (57.5, 90)

75 (50, 82.5)

0.640

Urine output (ml)

190.0 ± 38.7

184.0 ± 36.6

180.0 ± 55.1

0.698

Reoperation

0

0

0

-

  1. Abbreviations: ASA American Society of Anesthesiologists; BMI Body mass index; Hb Hemoglobin, WBC White blood cell