Table 1.
Characteristics of patients undergoing surgery for colorectal cancer
| Serum albumin concentration |
||||||
|---|---|---|---|---|---|---|
| Hypoalbuminaemia |
Normal albuminaemia |
|||||
| Severe | Moderate | Mild | Low | High | Missing albumin | |
| ≤25 g/L n=401 |
26–30 g/L n=784 |
31–35 g/L n=1742 |
36–40 g/L n=3065 |
>40 g/L n=3347 |
n=1008 | |
| Gender (%) | ||||||
| Male | 143 (35.7) | 371 (47.3) | 844 (48.5) | 1660 (54.2) | 1910 (57.1) | 514 (51.0) |
| Female | 258 (64.3) | 413 (52.7) | 898 (51.6) | 1405 (45.8) | 1437 (42.9) | 494 (49.0) |
| Median age (IQR) | 76 (68–82) | 76 (68–82) | 75 (65–81) | 71 (63–78) | 67 (59–74) | 71 (61–79) |
| Age, years, (%) | ||||||
| <60 | 48 (12.0) | 64 (8.2) | 234 (13.4) | 549 (17.9) | 857 (25.6) | 210 (20.8) |
| 60–69 | 60 (15.0) | 170 (21.7) | 380 (21.8) | 824 (26.9) | 1122 (33.5) | 237 (23.5) |
| 70–79 | 154 (38.4) | 280 (35.7) | 605 (34.7) | 1064 (34.7) | 990 (29.6) | 317 (31.5) |
| ≥80 | 139 (34.7) | 270 (34.4) | 523 (30.0) | 628 (20.5) | 378 (11.3) | 244 (24.1) |
| Type of admission (%) | ||||||
| Elective | 122 (30.4) | 348 (44.4) | 1128 (64.8) | 2544 (83.1) | 3118 (93.2) | 534 (53.5) |
| Non-elective | 279 (69.6) | 435 (55.6) | 612 (35.2) | 516 (16.9) | 227 (6.8) | 465 (46.2) |
| Missing | 0 | 1 (0.1) | 2 (0.1) | 5 (0.16) | 2 (0.1) | 9 (0.9) |
| Cancer site (%) | ||||||
| Colon | 302 (75.3) | 599 (76.4) | 1212 (69.6) | 1856 (60.6) | 1689 (50.5) | 779 (77.3) |
| Rectum | 99 (24.7) | 185 (23.6) | 530 (30.4) | 1209 (39.5) | 1658 (49.5) | 229 (22.7) |
| Cancer stage (%) | ||||||
| Localised | 124 (30.9) | 251 (32.0) | 671 (38.5) | 1287 (42.0) | 1517 (45.3) | 385 (38.2) |
| Regional | 98 (24.4) | 205 (26.2) | 460 (26.4) | 841 (27.4) | 1051 (31.4) | 299 (29.7) |
| Metastasised | 119 (29.7) | 215 (27.4) | 365 (21.0) | 527 (17.2) | 340 (10.2) | 206 (20.4) |
| Unknown | 60 (15.0) | 113 (14.4) | 246 (14.1) | 410 (13.4) | 439 (13.1) | 118 (11.7) |
| Type of surgery (%) | ||||||
| Open radical resection | 266 (66.3) | 579 (73.9) | 1369 (78.6) | 2470 (80.6) | 2546 (76.1) | 721 (71.5) |
| Laparoscopic radical resection | 4 (1.0) | 7 (0.9) | 65 (3.7) | 271 (8.8) | 541 (16.2) | 121 (12.0) |
| Non-eradicative procedures | 131 (32.7) | 198 (25.3) | 308 (17.7) | 324 (10.6) | 260 (7.8) | 166 (16.5) |
| Comorbidity (%) | ||||||
| Low | 205 (51.1) | 375 (47.8) | 928 (53.3) | 1752 (57.2) | 2153 (64.3) | 651 (64.6) |
| Moderate | 134 (33.4) | 279 (35.6) | 585 (33.6) | 969 (31.6) | 916 (27.4) | 271 (26.9) |
| High | 62 (15.5) | 130 (16.6) | 229 (13.2) | 344 (11.2) | 278 (8.3) | 86 (8.5) |
| Alcohol-related disease (%) | ||||||
| No | 386 (96.3) | 764 (97.5) | 1707 (98.0) | 3017 (98.4) | 3290 (98.3) | 988 (98.0) |
| Yes | 15 (3.7) | 20 (2.6) | 35 (2.0) | 48 (1.6) | 57 (1.7) | 20 (2.0) |
| Marital status (%) | ||||||
| Married | 172 (42.9) | 359 (45.8) | 855 (49.1) | 1731 (56.5) | 2139 (63.9) | 516 (51.2) |
| Never married | 40 (10.0) | 55 (7.0) | 137 (7.9) | 218 (7.1) | 214 (6.4) | 82 (8.1) |
| Other | 189 (47.1) | 370 (47.2) | 750 (43.1) | 1116 (36.4) | 994 (29.7) | 410 (40.7) |