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Table 2 The baseline characteristics of the patients

From: Digital chest drainage system versus traditional chest drainage system after pulmonary resection: a systematic review and meta-analysis

Studies

Male (%)

Age (years)

VATS (%)

Lobectomy (%)

Digital

Traditional

Digital

Traditional

Digital

Traditional

Digital

Traditional

Takamochi 2017

51.8

48.7

66.6 ± 12.6

67.9 ± 10.9

NA

NA

77

81.1

Waele 2017

48.1

51.9

68.5 ± 10.3

64.8 ± 10.6

56.2

43.8

50.8

49.2

Miller 2016

55

60

63 (48–77)

63 (52–79)

100

100

85

85

Shoji 2016

69

86

67 (20–88)

65 (19–87)

NA

NA

66

62

Filosso 2015

60

60

69 ± 7.9

67 ± 8.3

NA

NA

80

78

Gilbert 2015

36.5

36.8

68 (60–72)

68 (60–75)

73.6

70.6

70.1

83.5

Pompili 2014

49

55

66.5 ± 12.1

65.9 ± 10.2

82

80

83

88

Brunelli 2009

70

77

66.1 ± 12.8

67.3 ± 8.4

NA

NA

NA

NA

  1. VATS video-assisted thoracic surgery, NA not available