Table 2.
Preoperative blood measurements in 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 | |
| Albumin, g/L | ||||||
| Mean (SD) | 22.0 (3.0) | 28.4 (1.4) | 33.3 (1.4) | 38.1 (1.4) | 43.4 (2.1) | – |
| Median (IQR) | 23 (21–24) | 29 (27–30) | 34 (32–35) | 38 (37–39) | 43 (42–45) | – |
| Haemoglobin, mmol/L | ||||||
| Median (IQR) | 6.6 (6.1–7.6) | 6.9 (6.3–7.6) | 7.3 (6.5–8) | 7.9 (7.1–8.7) | 8.5 (7.8–9.1) | 8.0 (7.1–8.8) |
| Missing, n (%) | 0 | 2 (0.3) | 3 (0.2) | 10 (0.3) | 8 (0.2) | 553 (54.9) |
| Sodium, mmol/L | ||||||
| Median (IQR) | 137 (134–139) | 137 (135–140) | 139 (137–141) | 140 (138–142) | 140 (139–142) | 140 (137–141) |
| Missing, n (%) | 0 | 2 (0.3) | 2 (0.1) | 3 (0.1) | 2 (0.1) | 572 (56.8) |
| Potassium, mmol/L | ||||||
| Median (IQR) | 3.8 (3.4–4.2) | 3.9 (3.5–4.3) | 4 (3.7–4.3) | 4.1 (3.8–4.3) | 4.1 (3.8–4.3) | 4 (3.7–4.3) |
| Missing, n (%) | 0 | 3 (0.4) | 2 (0.1) | 3 (0.1) | 1 (<0.1) | 569 (56.5) |
| Leucocytes, 109/L | ||||||
| Median (IQR) | 11.2 (8.5–15.1) | 10.0 (7.8–13.2) | 8.8 (6.9–11.2) | 8.0 (6.5–9.9) | 7.4 (6.1–9.0) | 9.1 (6.9–11.8) |
| Missing, n (%) | 28 (7.0) | 82 (10.5) | 359 (20.6) | 846 (27.6) | 945 (28.2) | 752 (74.6) |
| Creatinine, µmol/L | ||||||
| Median (IQR) | 68 (55–85) | 74 (61–93) | 78 (66–93) | 79 (68–95) | 77 (67–90) | 78 (67–91) |
| Missing, n (%) | 0 | 1 (0.1) | 0 | 5 (0.2) | 1 (<0.1) | 556 (55.2) |
| C reactive protein, mg/L | ||||||
| Median (IQR) | 85 (41–146) | 51 (24–102) | 26 (10–62) | 10 (10–26) | 10 (8–10) | 19 (10–55) |
| Missing, n (%) | 40 (10.0) | 121 (15.4) | 460 (26.4) | 1019 (33.3) | 1054 (31.5) | 812 (80.6) |
| Platelet, 109/L | ||||||
| Median (IQR) | 411 (309–537) | 392 (300–514) | 353 (278–455) | 316 (250–398) | 290 (242–353) | 324 (253–417) |
| Missing, n (%) | 80 (20.0) | 197 (25.1) | 537 (30.8) | 1027 (33.5) | 1065 (31.8) | 818 (81.2) |
| INR | ||||||
| Median (IQR) | 1.2 (1.1–1.3) | 1.1 (1.0–1.2) | 1.0 (1.0–1.1) | 1.0 (1.0–1.1) | 1.0 (0.9–1.1) | 1.1 (1.0–1.2) |
| Missing, n (%) | 121 (30.2) | 276 (35.2) | 682 (39.2) | 1162 (37.9) | 1123 (33.6) | 845 (83.8) |
| Bilirubin, µmol/L | ||||||
| Median (IQR) | 9 (6–13) | 8 (6–13) | 8 (5–11) | 8 (6–11) | 8 (6–11) | 10 (7–12) |
| Missing, n (%) | 72 (18.0) | 214 (27.3) | 625 (35.9) | 1130 (36.9) | 1036 (31.0) | 821 (81.5) |
| ALAT, U/L | ||||||
| Median (IQR) | 17 (11–28) | 17 (12–28) | 17 (12–25) | 17 (13–25) | 20 (15–27) | 18 (13–28) |
| Missing, n (%) | 135 (33.7) | 324 (41.33) | 812 (46.6) | 1410 (46.0) | 1204 (36.0) | 815 (80.9) |
| MELD | ||||||
| <10, n (%) | 177 (44.1) | 331 (42.2) | 720 (41.3) | 1308 (42.7) | 1742 (52.1) | 100 (9.9) |
| ≥10, n (%) | 76 (19.0) | 97 (12.4) | 120 (6.9) | 200 (6.5) | 127 (3.8) | 20 (2.0) |
| Missing, n (%) | 148 (36.9) | 356 (45.4) | 902 (51.8) | 1557 (50.8) | 1478 (44.16) | 888 (88.1) |
ALAT, alanine aminotransferase; INR, international normalised ratio; MELD, Model for End-Stage Liver Disease.