Table 2.

Meta-analysis of medical staff’s anxiety status during the epidemic of COVID-19

Studies	Comparison with Chinese anxiety norm
	SMD	95% CI	Weight %
Jizheng et al. [9]	1.286	1.137–1.435	14.29
Jia et al. [10]	0.616	0.526–0.706	14.44
Junhua et al. [11]	1.531	1.338–1.724	14.13
Jijun et al. [12]	2.701	2.476–2.926	13.99
Wenhui et al. [13]	0.587	0.437–0.736	14.28
Siyu et al. [14]	1.005	0.896–1.115	14.39
Liu et al. [15]	0.340	0.276–0.404	14.48
Overall	1.145	0.705–1.584	100.00
Heterogeneity test: χ2=591.07 df=6 (p<0.001) I2=99.0%
Test of SMD: z=5.10 (p<0.001)

SMD: standardized mean difference