Table 1. Patient characteristics and prevalence of comorbidities.
| Gastric cancer | Colorectal cancer | Lung cancer | Weighted score in CCI | |
| Total | 1,022 (100) | 791 (100) | 796 (100) | |
| All-cause mortality | 426 (42) | 311 (39) | 517 (65) | |
| Median follow-up duration, days (IQR) | 1,460 (451–1,681) | 1,520 (708–1,724) | 621 (256–1,531) | |
| Male | 706 (69) | 420 (53) | 542 (68) | |
| Age at diagnosis | ||||
| <65 years | 279 (27) | 236 (30) | 214 (27) | |
| 65–69 years | 189 (18) | 141 (18) | 161 (20) | |
| 70–74 years | 205 (20) | 133 (17) | 160 (20) | |
| 75–79 years | 202 (20) | 134 (17) | 142 (18) | |
| ≥80 years | 147 (14) | 147 (19) | 119 (15) | |
| Stage at diagnosis | ||||
| Localized | 550 (54) | 332 (42) | 250 (31) | |
| Regional to lymph nodes | 118 (12) | 158 (20) | 103 (13) | |
| Regional by direct extension | 100 (10) | 88 (11) | 102 (13) | |
| Distant | 246 (24) | 189 (24) | 318 (40) | |
| Unknown | 8 (1) | 24 (3) | 23 (3) | |
| Comorbidities | ||||
| Myocardial infarction | 5 (0) | 8 (1) | 10 (1) | 0 |
| Congestive heart failure | 22 (2) | 14 (2) | 27 (3) | 2 |
| Peripheral vascular disease | 20 (2) | 11 (1) | 13 (2) | 0 |
| Cerebrovascular disease | 37 (4) | 20 (3) | 39 (5) | 0 |
| Dementia | 7 (1) | 12 (2) | 7 (1) | 2 |
| Chronic pulmonary disease | 33 (3) | 19 (2) | 59 (7) | 1 |
| Connective tissue disease | 2 (0) | 2 (0) | 2 (0) | 1 |
| Peptic ulcer | 266 (26) | 75 (9) | 35 (4) | 0 |
| Mild liver disease | 51 (5) | 42 (5) | 43 (5) | 2 |
| Moderate or severe liver disease | 4 (0) | 1 (0) | 1 (0) | 4 |
| DM without chronic complications | 106 (10) | 72 (9) | 84 (11) | 0 |
| DM with chronic complications | 11 (1) | 22 (3) | 19 (2) | 1 |
| Hemiplegia or paraplegia | 1 (0) | 1 (0) | 0 (0) | 2 |
| Renal disease | 13 (1) | 7 (1) | 3 (0) | 1 |
| Other cancer | 79 (8) | 59 (7) | 73 (9) | 2 |
| AIDS or HIV | 0 (0) | 0 (0) | 0 (0) | 4 |
AIDS, acquired immunodeficiency syndrome; DM, diabetes mellitus; HIV, human immunodeficiency virus; IQR, interquartile range.
Values are expressed as number (column percentage) unless otherwise indicated. Because of rounding, percentages may not add up to 100%.