Table 2

Baseline laboratory findings of the 129 patients with COVID-19

Total (n=129)Imported cases (n=70)Local cases (n=59)P value
White cell count (×109/L)
(NR 3.5–9.5)
4.8 (3.6–6.0)4.64 (3.45–5.68)4.84 (3.60–6.87)0.26
Red cell count (×1012/L)
(NR 3.8–5.5)
4.58 (0.49)4.64 (0.47)4.51 (0.51)0.13
Hemoglobin (g/L)
(NR 115–150)
136.47 (18.81)139.43 (16.2)132.98 (20.99)0.07
Platelet count (×109/L)
(NR 125–350)
188 (150–234)187 (157–228)190 (145–234)0.98
 Neutrophil count (×109/L)
 (NR 1.8–6.3)
3.17 (2.16–4.4)2.79 (2.17–4.04)3.57 (2.00–4.75)0.34
 Lymphocyte count (×109/L)
 (NR 1.1–3.2)
1.06 (0.74–1.42)1.03 (0.69–1.24)1.07 (0.88–1.49) 0.04
 Monocyte count (×109/L)
 (NR 0.1–0.6)
0.34 (0.24–0.51)0.36 (0.23–0.53)0.34 (0.23–0.53)0.97
 Eosinophil count (×109/L)
 (NR 0.02–0.52)
0.1 (0–0.03)0.005 (0–0.02)0.01 (0–0.04)0.54
Total bilirubin (μmol/L)
(NR 0–21)
8.05 (5.67–10.85)8.40 (5.90–11.04)7.67 (5.35–10.77)0.70
Direct bilirubin (μmol/L)
(NR 0–6.4)
2.8 (2–3.98)2.85 (2.00–3.92)2.70 (2.06–4.19)0.82
ALT (U/L)
(NR 9–50)
22 (14.85–38.3)24.2 (17–41)18.12 (14–32.07)0.21
AST (U/L)
(NR 15–40)
23 (17–32)23.3 (18–30.75)23 (15–32.9)0.62
Albumin (g/L)
(NR 35–52)
41.5 (37.85–43.9)41.2 (37.2–44.3)41.8 (38.5–43.5)0.72
Creatinine (μmol/L)
(NR 59–104)
61.52 (50.52–72.85)65.4 (20–69)62.5 (27–32)0.54
Urea nitrogen (mmol/L)
(NR 2.8–7.3)
3.82 (2.92–4.7)3.66 (2.92–4.83)4.01 (2.99–4.67)0.63
Lactate dehydrogenase (U/L)
(NR 114–240)
205 (175.3–264)209.5 (179.75–265.75)191 (164.9–264.51)0.38
Creatine kinase (U/L)
(NR 26–192)
69 (41–106.65)61.5 (40.1–90.8)72.75 (41–127.97)0.42
Creatine kinase isoenzyme (U/L)
(NR 0–25)
11 (7–16)11.56 (7.00–17.25)10.4 (6.6–13.4)0.31
Hydroxybutyrate dehydrogenase (U/L)
(NR 72–182)
154 (129.2–189.5)161.7 (135–190.62)150 (117.8–190.75)0.25
Prothrombin time (s)
(NR 9–14)
11.3 (10.5–12.2)11.3 (10.37–12.25)11.3 (10.57–12.4)0.89
D-dimer (μg/L)
(NR 0–0.55)
0.29 (0.17–0.69)0.47 (0.15–0.75)0.27 (0.19–0.43)0.23
CRP (mg/L)
(NR 0–10)
11.7 (2.5–32.26)8.6 (1.48–19.2)17.31 (8.15–37.06) 0.04
PCT (ng/mL)
(NR 0–0.5)
0.08 (0.02–0.38)0.15 (0.04–1.38)0.04 (0.02–0.09) 0.005
ESR (mm/h)
(NR 0–15)
32.04 (24.03)34.87 (26.45)26.85 (20.31)0.22
  • P values in bold represent statistical significance.

  • NR, normal range; ALT, alanine aminotransferase; AST, aspartate aminotransferase; CRP, C-reactive protein; PCT, procalcitonin; ESR, erythrocyte sedimentation rate.