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