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Table 2 Clinicopathological characteristics

From: Long-term postoperative pneumonia in elderly patients with early gastric cancer

Variables

Total

N (%)

C group (n = 123)

N (%)

P group (n = 44)

N (%)

Age (Median, range)

77 (75–87)

78 (75–87)

77 (75–85)

Sex

 Male

109 (65)

74 (60)

35 (80)

 Female

58 (35)

49 (40)

9 (20)

Surgical approach

 Open

153 (92)

111 (90)

42 (95)

 Laparoscopy

14 (8)

12 (10)

2 (5)

Surgical procedure

 Distal gastrectomy

80 (48)

60 (49)

20 (46)

 Pylorus preserving gastrectomy

45 (27)

33 (27)

12 (27)

 Total gastrectomy

28 (17)

20 (16)

8 (18)

 Proximal gastrectomy

14 (8)

10 (8)

4 (9)

BMI (Median, range)*

22.6 (16.5–32.2)

22.2 (16.7–32.2)

23.0 (16.5–30.5)

GNRI (Median, range)**

104.5 (77.1–128.0)

104.5 (77.1–125.3)

104.3 (89.9–128.0)

Charlson Score

 0

93 (55)

70 (57)

23 (52)

 1

34 (20)

25 (20)

9 (21)

 2

25 (15)

17 (14)

8 (18)

 3

9 (5)

6 (4)

3 (7)

 4

2 (1)

2 (2)

0 (0)

 5

0 (0)

0 (0)

0 (0)

 6

3 (2)

2 (2)

1 (2)

 7

1 (1)

1 (1)

0 (0)

Current smoking history

 +

73 (44)

53 (43)

20 (45)

 −

94 (56)

70 (57)

24 (55)

%VC (Median, range)

103 (53–175)

104.5 (53–175)

100 (69–133)

FEV1% (Median, range)

73 (31–105)

74 (34–92)

72 (31–105)

Sliding Hernia

 +

49 (29)

36 (29)

13 (30)

 −

118 (71)

87 (71)

31 (70)

Preoperative pneumonia

 +

76 (46)

52 (42)

24 (55)

 −

91 (54)

71 (58)

20 (45)

Preoperative sarcopenia

 +

117 (70)

77 (63)

40 (91)

 −

50 (30)

46 (37)

4 (9)

Pathological TNM stage

 T1aN0

70(42)

52 (42)

18 (41)

 T1aN1

1 (1)

0(0)

1(2)

 T1bN0

84 (50)

62 (51)

22 (50)

 T1bN1

12 (7)

9 (7)

3 (7)

  1. %VC: Vital capacity; FEV1%: Forced expiratory volume in 1 s
  2. Number and percentage of patients in each category in each group (except age, BMI, GNRI, %VC and FEV1%)
  3. BMI*: Body Mass Index = (body weight (kg)/height (m2))
  4. GMRI**: Geriatric Nutritional Risk Index = 14.89 × Alb (g/dl) + 41.7 × (body weight (kg)/ideal body weight (kg))