TABLE 3.
Meta‐analysis; laboratory findings of pregnant and non‐pregnant patients with confirmed COVID‐19
| Normal range | Proportion%/Mean (95% CI) | Number of patients | Number of studies | Proportion%/Mean (95% CI) | Number of patients | Number of studies | |
|---|---|---|---|---|---|---|---|
| Non‐pregnant | Pregnant | ||||||
| Leucocytes | 3.5–9.5 (× 10⁹ per L) | 6 (5–7.2) | 10,268 | 81 | 8 (7.2–8.8) | 294 | 5 |
| Increased | 14 (%) | 27 (%) | |||||
| Decreased | 25.5 (%) | 25 (%) | |||||
| Neutrophils | 1.8–6.3 (× 10⁹ per L) | 4.3 (3.5–8.5) | 9742 | 53 | 6.6 (4.6–8.2) | 10 | 2 |
| Increased | ‐ | 70% | |||||
| Lymphocytes | 1.1–3.2 (× 10⁹ per L) | 1.12 (0.95–1.3) | 16,231 | 71 | 1.25 (0.5–1.7) | 317 | 9 |
| Decreased | 62.5 (%) | 64 (%) | |||||
| Platelets | 125–350 (× 10⁹ per L) | 185 (179–198) | 8456 | 46 | ‐ | ‐ | ‐ |
| Decreased | 12.5 (%) | 18 (%) | 47 | 5 | |||
| Increased | 28 (%) | ‐ | |||||
| C‐reactive protein a | 0–0.5 (mg/L) | 29 (16.7–42.5) | 1455 | 29 | 11 (5–16) | 316 | 8 |
| Increased | 81 (%) | 52 (%) | |||||
| Alanine aminotransferase | 20–60 IU/L | 28.4 (28.3–28.5) | 9958 | 64 | 31.5 (16–65) | 24 | 5 |
| Aspartate aminotransferase | 29–33IU/L | 37.5 (31–44) | 9803 | 62 | 29 (9–50) | 24 | 5 |
| Total bilirubin | 0.1–1.2 (mg/dl) | 0.6 (0.2–1.3) | 91 | 2 | 0.4 (0.3–0.5) | 58 | 3 |
| Albumin | 35‐55 g/L | 37 (35.6–38) | 8227 | 40 | 29 (22–36) | 64 | 3 |
| D‐dimer | <0.4 mcg/ml | 2.5 (0.8–5.5) | 7407 | 48 | 3.5 (1.4–5.5) | 27 | 3 |
| Na | 135–145 mmol/L | 140.8 (140.7–140.9) | 6403 | 20 | 139 (137–140) | 6 | 3 |
| K | 3.5–5.0 mmol/L | 4.1 (4–4.2) | 6171 | 20 | 3.7 (3–5) | 6 | 3 |
a
Increased and decreased refer to values above or below the normal range, respectively. Some normal ranges can be different in the different age and sex groups.