Table 2.

Meta-regression results for baseline characteristics difference on coagulation indexes.

	No. of study	Coef (exp)	95% CI	P value
Age	16	0.98	0.95, 1.03	.992
Female	14	0.99	0.94, 1.04	.612
Hypertension	12	1.00	0.97, 1.03	.999
Diabetes	12	1.04	0.96, 1.12	.342
Cardiovascular	11	1.01	0.99, 1.03	.190
COPD	9	1.04	0.96, 1.14	.292
Malignancy	7	0.90	0.79, 1.08	.199
CKD	8	0.95	0.83, 1.08	.359
Clinical Types	16	1.13	0.67, 1.93	.617
Fever	11	1.02	0.99, 1.05	.117
Cough	10	1.00	0.97, 1.04	.875
Dyspnea	7	1.00	0.97, 1.04	.875
Site of study	16	1.03	0.54, 1.97	.921