Table 4 White blood cell of COVID-19 patients with different severity
From: Early predictors and screening tool developing for severe patients with COVID-19
Fatal cases (n = 37) | Severe cases (n = 123) | Common cases (n = 653) | χ2 | P | |
|---|---|---|---|---|---|
White blood cell count, × 109 per L | 5.5 (4.0,7.2) | 4.7 (3.4,6.2) | 4.6 (3.7,5.8) | 3.7 | 0.154 |
Subnormal (< 4) | 23.1% | 36.1% | 35.1% | 8.0 | 0.094 |
Normal (4–10) | 69.2% | 55.7% | 61.9% | ||
Above normal (> 10) | 7.7% | 8.2% | 3.1% | ||
Lymphocyte count, × 109 per L | 0.8 (0.6,1.1) | 0.9 (0.6,1.3) | 1.1 (0.9,1.5) | 27.3 | < 0.001 |
Significant decreased (< 0.8) | 43.5% | 49.5% | 21.1% | 43.9 | < 0.001 |
Subnormal (0.8–1.09) | 34.8% | 18.9% | 25.0% | ||
Normal (1.1–3.2) | 17.4% | 28.4% | 52.2% | ||
Above normal (> 3.2) | 4.3% | 3.2% | 1.7% | ||
Lymphocyte constituent ratio (%) | 18.7 (11.6,23.4) | 21.3 (11.8,28.6) | 26.0 (18.6,32.7) | 25.3 | < 0.001 |
Subnormal (< 20%) | 59.3% | 46.4% | 29.9% | 19.8 | 0.001 |
Normal (20%-40%) | 37.0% | 49.5% | 59.7% | ||
Above normal (> 40%) | 3.7% | 4.1% | 10.4% | ||
Neutrophil granulocyte constituent ratio (%) | 75.4 (60.3,81.3) | 67.3 (56.7,76.8) | 62.1 (54.3,70.5) | 19.9 | < 0.001 |
Subnormal (< 20%) | 3.7% | 11.3% | 6.8% | 41.6 | < 0.001 |
Normal (40%-75%) | 44.4% | 60.8% | 80.4% | ||
Above normal (> 75%) | 51.9% | 27.8% | 12.8% | ||
Neutrophil-to-Lymphocyte Ratio (NLR) | 4.2 (2.6, 7.4) | 3.1 (2.0, 6.2) | 2.4 (1.7,3.8) | 22.0 | < 0.001 |
Increased NLR (> 4.7) | 44.4% | 34.7% | 15.0% | 30.7 | < 0.001 |