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Table 1 Preoperative and intraoperative patients’ characteristics

From: Multicenter randomized controlled trial comparing digital and traditional chest drain in a VATS pulmonary lobectomy cohort: interim analysis

 

Digital group

(n = 94)

Traditional group

(n = 115)

ASMD

Age, years, mean (SD)

67 (9)

66 (11)

0.10

Male, n (%)

57 (60.6)

61 (53.0)

0.15

Co-morbidity, n (%)

68 (72.3)

89 (77.4)

0.05

COPD, n (%)

15 (16.0)

12 (10.4)

0.17

Asthma, n (%)

3 (3.2)

3 (2.6)

0.04

FEV1, %, mean (SD)

96.6 (20.2)

98.9 (20.4)

0.11

FVC, %, mean (SD)

101.6 (19.9)

103.9 (18.9)

0.12

Tiffeneau, %, mean (SD)

77.7 (9.7)

76.8 (12.0)

0.08

DLCO, %, mean (SD)

83.1 (18.4)

81.6 (19.0)

0.08

Induction CT, n(%)

6 (6.4)

3 (2.6)

0.18

Induction RT, n(%)

0 (0.0)

0 (0.0)

0.0

Surgical time, min, mean (SD)

164 (67)

169 (65)

0.08

Hemostatic devices, n (%)

49 (52.1)

52 (45.2)

0.14

Type of lobectomy, n (%)

 Right upper lobectomy

24 (25.5)

35 (30.4)

0.11

 Right middle lobectomy

6 (6.4)

8 (6.9)

0.00

 Right lower lobectomy

15 (15.9)

15 (13.0)

0.08

 Left upper lobectomy

32 (34.0)

28 (24.3)

0.20

 Left lower lobectomy

17 (18.1)

29 (25.2)

0.15

Lymphadenectomy, n (%)

93 (98.9)

113 (98.3)

0.05

 Systematic

72 (76.6)

86 (74.8)

0.04

 Sampling

21 (22.3)

27 (23.5)

0.03

  1. ASMD Absolute standardized mean difference, SD Standard deviation, COPD Chronic obstructive pulmonary disease, FEV1 Forced expiratory volume at 1 s, FVC Forced vital capacity, DLCO Diffusion Lung CO, CT Chemotherapy, RT Radiation therapy. No significant differences were observed (p > 0.05)