<60 yr | 60–79 yr | ≧80 yr | P value | |
---|---|---|---|---|
n = 72 | n = 119 | n = 53 | ||
Gender (M/F) | 47/25 | 82/36 | 41/12 | 0.153 |
Tumor size (cm) | 5.4 ± 2.8 | 6.8 ± 18.5 | 4.3 ± 2.5 | 0.471 |
BMI (kg/m2) | 23.6 ± 4.0 | 23.3 ± 4.0 | 22.6 ± 3.5 | 0.342 |
Resection extent | 0.582 | |||
Subtotal/total gastrectomy | 48/24 | 87/32 | 39/14 | |
Reconstruction method | 0.185 | |||
Billroth-I | 4 (5.6) | 17 (14.3) | 7 (13.2) | |
Billroth-II | 1 (1.4) | 0 | 0 | |
Roux-en-Y or uncut R-Y | 67 (93) | 102 (85.7) | 46 (86.8) | |
Extent of lymphadenectomy | 0.452 | |||
<D2/D2 | 5/64 | 5/109 | 6/47 | |
Retrieved LN number | 36.3 ± 13.9 | 32.7 ± 13.0 | 28.2 ± 13.4 | 0.004 |
Pathological T category | 0.114 | |||
T1/T2/T3/T4 | 15/11/30/16 | 28/12/45/34 | 17/12/17/7 | |
Pathological N category | 0.003 | |||
N0/N1/N2/N3 | 22/17/16/17 | 43/10/26/40 | 29/4/12/8 | |
Pathological TNM stage | 0.004 | |||
I/II/III | 19/20/33 | 31/15/73 | 22/13/18 | |
Number of comorbidities | <0.001 | |||
0 | 46 (63.9) | 22 (18.5) | 9 (17) | |
1 | 19 (26.4) | 57 (47.9) | 22 (41.5) | |
≧2 | 7 (9.7) | 40 (33.6) | 22 (41.5) | |
Operative outcomes | ||||
Operative time | 328.9 ± 101.1 | 312.0 ± 96.0 | 312.2 ± 101.2 | 0.475 |
Operative blood loss | 294.1 ± 232.5 | 384.3 ± 457.7 | 366.9 ± 339.6 | 0.267 |
Postoperative hospital stay | 10.8 ± 5.6 | 14.1 ± 12.8 | 15.2 ± 9.7 | 0.041 |
Surgical complications | 3 (4.2) | 10 (8.4) | 6 (11.3) | 0.317 |
Anastomosis leakage | 2 (2.8) | 2 (1.7) | 1 (1.9) | 0.699 |
Chylous leakage | 0 | 2 (1.7) | 0 | 0.877 |
Delayed gastric emptying | 0 | 1 (0.8) | 2 (3.8) | 0.069 |
Intestinal obstruction | 0 | 1 (0.8) | 0 | 0.913 |
Wound infection | 0 | 0 | 2 (3.8) | 0.032 |
Intraabdominal abscess | 0 | 4 (3.4) | 0 | 0.826 |
Choledochofistula | 0 | 1 (0.8) | 0 | 0.913 |
Pancreatic fistula | 1 (1.4) | 0 | 0 | 0.195 |
Pneumonia | 0 | 0 | 2 (3.8) | 0.032 |
Surgical Mortality | 0 | 1 (0.8) | 1 (1.9) | 0.250 |