Table 1 Classification and clinical characteristics of patients based on MSAS score

Age, Mean ± SD

64.7 ± 6.6

64.5 ± 6.8

65.3 ± 6.1

Gender, n (%)

0.164

 Female

76 (45.5)

53 (42.4)

23 (54.8)

 Male

91 (54.5)

72 (57.6)

19 (45.2)

FEV1/FVC%, Mean ± SD

89.2 ± 19.7

88.9 ± 19.6

90.1 ± 20.2

Diabetes mellitus, n (%)

0.973

 No

107 (64.1)

80 (64)

27 (64.3)

 Yes

60 (35.9)

45 (36)

15 (35.7)

Hypertension, n (%)

0.2

 No

136 (81.4)

99 (79.2)

37 (88.1)

 Yes

31 (18.6)

26 (20.8)

5 (11.9)

Smoking, n (%)

0.899

 No

106 (63.5)

79 (63.2)

27 (64.3)

 Yes

61 (36.5)

46 (36.8)

15 (35.7)

Drinking, n (%)

0.431

 No

111 (66.5)

81 (64.8)

30 (71.4)

 Yes

56 (33.5)

44 (35.2)

12 (28.6)

Pre-albumin, Mean ± SD

268.5 ± 21.4

267.7 ± 22.5

270.7 ± 17.9

pT stage, n (%)

0.569

 pT1

51 (30.5)

36 (28.8)

15 (35.7)

 pT2

45 (26.9)

36 (28.8)

9 (21.4)

 pT3

71 (42.5)

53 (42.4)

18 (42.9)

pN stage, n (%)

0.84

 pN0

106 (63.5)

78 (62.4)

28 (66.7)

 pN1

32 (19.2)

25 (20)

7 (16.7)

 pN2

20 (12.0)

16 (12.8)

4 (9.5)

 pN3

9 ( 5.4)

6 (4.8)

3 (7.1)

Surgical duration, Mean ± SD

199.0 ± 7.1

199.9 ± 7.2

198.4 ± 6.9

0.169

Intraoperative blood loss, Mean ± SD

127.6 ± 8.6

127.2 ± 7.2

128.0 ± 9.6

Coronary heart disease, n (%)

0.828

 No

115 (68.9)

51 (68)

64 (69.6)

 Yes

52 (31.1)

24 (32)

28 (30.4)

Preoperative BNP, Mean ± SD

90.3 ± 7.0

91.3 ± 7.0

89.4 ± 6.9

Atrial fibrillation, n (%)

 No

125 (74.9)

98 (78.4)

27 (64.3)

 Yes

42 (25.1)

27 (21.6)

15 (35.7)

Pulmonary infection, n (%)

 No

154 (92.2)

113 (90.4)

41 (97.6)

 Yes

13 ( 7.8)

12 (9.6)

1 (2.4)

Length of stay, Mean ± SD

16.4 ± 6.6

16.8 ± 7.3

15.3 ± 3.8

MSAS score, Mean ± SD

1.2 ± 0.7

0.9 ± 0.5

2.0 ± 0.1

NRS2002 score, n (%)

 No nutritional risk

63 (37.7)

63 (50.4)

0 (0)

 Nutritional risk

104 (62.3)

62 (49.6)

42 (100)

SGA score, n (%)

 Adequate nutrition

84 (50.3)

71 (56.8)

13 (31)

 Malnutrition

83 (49.7)

54 (43.2)

29 (69)