Table 4.
Red blood cell indices for patients with elevated C-reactive protein and patients with normal C-reactive protein.
| Normal laboratory values | Elevated CRP (n = 28) Geometric mean; 95% confidence interval |
Normal CRP (n = 19) Geometric mean; 95% confidence interval |
P-value |
|---|---|---|---|
| Red blood cell count (4.13–5.67 × 1012/L f, 4.89–6.11 × 1012/L m) |
2.33; 1.95–2.78 |
2.62; 2.04–3.36 |
.42 |
| Haemoglobin (12.1–16.3 g/dL f, 14.3–18.3 g/dL m) |
6.80; 5.66–8.16 |
6.23; 4.74–8.19 |
.57 |
| Haematocrit (0.370–0.490 L/L f, 0.430–0.550 L/L m) |
0.21; 0.18–0.25 |
0.21; 0.16–0.27 |
.94 |
| Mean corpuscular volume (79.1–98.9 fL) |
90.05; 84.42–96.05 |
78.98; 72.01–86.62 |
.016 |
| Mean corpuscular haemoglobin (27–32 pg) |
29.24; 27.09–31.55 |
23.82; 21.13–26.84 |
.003 |
| Mean corpuscular haemoglobin concentration (32–36 g/dL) | 32.47; 31.70–33.26 |
30.16; 29.00–31.38 |
.001 |
| Red blood cell distribution width (11.6–14%) |
19.39; 17.48–21.51 |
21.34; 18.38–24.77 |
.27 |