| Age <75 years | Age ≥75 years | p |
---|---|---|---|
n | 151 | 53 | Â |
Age, years | 61 (30–74) | 81 (75–94) |  |
Sex (male/female) | 85 (56.3Â %)/66 (43.7Â %) | 24 (45.3Â %)/29 (54.7Â %) | 0.16 |
Body mass index (kg/m2) | 23.3 | 23.5 | 0.91 |
Co-morbidity (no/yes) | 91 (60.3Â %)/60 (39.7Â %) | 18 (40.0Â %)/35 (60.0Â %) | <0.01 |
 Hypertension | 20 | 13 |  |
 Diabetes mellitus | 12 | 3 |  |
 Respiratory disease | 6 | 3 |  |
 Heart disease | 6 | 6 |  |
 Renal disease | 5 | 3 |  |
 Brain infarction | 5 | 4 |  |
 Connective tissue disease | 3 | 2 |  |
 Liver disease | 3 | 1 |  |
Performance status (0, 1/2, 3) | 137 (90.7Â %)/14 (9.3Â %) | 38 (71.7Â %)/15 (28.3Â %) | <0.01 |
Location (C/A/T/D/S/R) | 8 (5.3Â %)/18 (11.9Â %)/10 (6.6Â %)/8 (5.3Â %)/34 (22.5Â %)/73 (48.4Â %) | 4 (7.5Â %)/12 (22.6Â %)/5 (9.4Â %)/3 (5.7Â %)/12 (22.6Â %)/17 (32.2Â %) | 0.28 |
Tumor type (0/1/2/3/4/5) | 17 (11.3Â %)/25 (16.6Â %)/94 (62.2Â %)/13 (8.7Â %)/1 (0.6Â %)/1 (0.6Â %) | 1 (1.9Â %)/7 (13.2Â %)/38 (71.7Â %)/6 (11.3Â %)/0/1 (1.9Â %) | 0.26 |
Tumor size (mm) | 69 (9–103) | 47 (9–87) | 0.36 |
Tumor depth (m/sm/mp/ss/se/ai) | 0/2 (1.3Â %)/19 (12.6Â %)/108 (71.5Â %)/12 (7.9Â %)/10 (6.7Â %) | 0/2 (3.8Â %)/4 (7.5Â %)/37 (69.8Â %)/7 (13.2Â %)/3 (5.7Â %) | 0.74 |
Lymph node metastasis (N1/2/3) | 98 (64.9Â %)/38 (25.2Â %)/15 (9.9Â %) | 34 (64.2Â %)/13 (24.5Â %)/6 (11.3Â %) | 0.95 |
CEA | 8.1 | 9.1 | 0.69 |
CA19-9 | 26.1 | 21.4 | 0.97 |