Table 2.

Baseline laboratory data of patients with COVID-19 at admission

Variables	All patients	Chengdu cohort (n = 101)	Daofu cohort (n = 67)	P-values
Leukocyte, ×109/L	6.02 ± 2.27	6.04 ± 2.52	5.98 ± 1.84	0.88
Lymphocyte, ×109/L	1.39 ± 1.12	1.35 ± 1.07	1.45 ± 1.19	0.56
Platelet, ×109/L	172.59 ± 78.44	188.76 ± 81.30	147.48 ± 67.00	8.1 × 10−4
Procalcitonin > 0.1 ng/mL, %	95/129 (73.6)	95/100 (95.0)	0/29 (0)	1.8 × 10−23
hs-CRP >5 mg/L, %	85/164 (51.8)	61/100 (61.0)	24/64 (37.5)	3.3 × 10−3
Erythrocyte sedimentation rate >15 mm/h, %	37/50 (74.0)	30/37 (81.1)	7/13 (53.8)	0.12
Glucose, mmol/L	6.52 ± 3.07	7.12 ± 3.48	5.62 ± 2.03	5.8 × 10−4
Alanine aminotransferase, U/L	37.3 ± 29.8	28.49 ± 20.42	50.51 ± 36.23	1.8 × 10−5
Aspartate aminotransferase, U/L	32.7 ± 15.9	29.12 ± 11.84	38.13 ± 19.35	9.3 × 10−4
Lactose dehydrogenase, U/L	255.07 ± 93.53	239.97 ± 86.08	278.29 ± 100.24	9.7 × 10−3
Creatinine kinase, U/L	72 (50, 120)	74 (50, 125)	69 (52, 109)	0.75
Prealbumin, mg/L	186.82 ± 67.76	162.70 ± 64.42	216.31 ± 59.99	1.0 × 10−6
BNP >100 pg/mL	33/133 (24.8)	25/97 (25.8)	8/36 (22.2)	0.67
hs-cTnT >15 pg/mL	10/150 (6.7)	10/101 (9.9)	0/49 (0)	0.053
Sodium, mmol/L	138.33 ± 10.07	139.67 ± 12.55	136.25 ± 2.81	0.032
Potassium, mmol/L	3.94 ± 0.54	3.91 ± 0.55	3.98 ± 0.53	0.37
Blood urea nitrogen, mmol/L	4.30 ± 2.86	4.58 ± 3.53	3.88 ± 1.20	0.071
SCr, μmol/L	65.00 (53.48–75.00)	65.00 (52.82–73.50)	67.78 (54.00–76.70)	0.35
Uric acid, μmol/L	282.02 ± 92.03	282.02 ± 92.03	–	–
Proteinuria, %
Negative	57/103 (55.3)	57/74 (77.0)	27/29 (93.1)	0.031
1+	10/103 (9.7)	8/74 (10.8)	2/29 (6.9)
2+ to 3+	9/103 (8.7)	9/74 (12.2)	0/29 (0)
Dipstick hematuria, %
Negative	56/103 (54.4)	56/74 (75.7)	29/29 (100)	1.3 × 10−3
1+	12/103 (11.6)	12/74 (16.2)	0/29 (0)
2+ to 3+	6/103 (5.8)	6/74 (8.1)	0/29 (0)

Data are presented as number/total (percentage), mean ± SD or median (interquartile range). None of the patients had the procalcitonin >0.5 ng/mL.

hs-CRP, high-sensitivity C-reactive protein.