Table 3.

Pathological characteristics of patients with COVID-19

Characteristic	No. of studies	No. of patients	Heterogeneity		Model	Meta-analysis
			P value	I2 (%)		R (95% CI）	P value
Leucocytosis	21	3936	<0.001	90.6	Random	0.099 (0.069 to 0.134)	<0.001
Normal leucocyte count	23	3267	<0.001	89.5	Random	0.647 (0.591 to 0.700)	<0.001
Leucopenia	27	4233	<0.001	89.6	Random	0.235 (0.194 to 0.279)	<0.001
Lymphopaenia	32	4660	<0.001	94.4	Random	0.476 (0.413 to 0.540)	<0.001
High C reactive protein	23	2912	<0.001	93.2	Random	0.659 (0.586 to 0.728)	<0.001
High procalcitonin	13	2190	<0.001	96.6	Random	0.167 (0.083 to 0.274)	<0.001
High D-dimer	9	2354	<0.001	90.4	Random	0.204 (0.147 to 0.267)	<0.001
High erythrocyte sedimentation rate	7	455	<0.001	90.4	Random	0.204 (0.147 to 0.267)	<0.001
Abnormal liver function	11	2524	<0.001	90.1	Random	0.264 (0.204 to 0.329)	<0.001
Abnormal renal function	8	2183	<0.001	96.1	Random	0.109 (0.045 to 0.196)	<0.001
High myocardial enzymes	11	2541	<0.001	96.1	Random	0.494 (0.264 to 0.725)	<0.001