Table 2.

Summary of study findings.

References	Age (SD)	Male (n)	%	Female (n)	%
Bai et al. (22)	39.1 ± 9.4	163	49.0%	175	51.0%
Chen et al. (23)	25.7 ± 2.2	0	0	128	100%
Cheng et al. (15)	37.1 ± 12.09	34	34.0%	66	66.0%
Cheng et al. (24)	36.9 ± 11.1	60	33.0%	120	67.0%
Kwek et al. (25)	34.8 ± 10.49	13	20.6%	50	79.4%
Lancee et al. (26)	45.0 ± 9.6	18	13.0%	121	87.0%
Lee et al. (12)	N/A	35	36.5%	61	63.5%
Liu et al. (27)	N/A	129	23.5%	420	76.5%
Sim et al. (28)	N/A	N/A	N/A	N/A	N/A
Su et al. (13) Neurology;	25.4 ± 3.7	0	0	102	100%
SARS ICU;	31.5 ± 6.2
SARS Regular;	29.8 ± 7.6
CCU	32.7 ± 4.3
Wu et al. (16)	N/A	84	43.0%	111	56.9%
Wu et al. (29)	39.8 ± 10.6	129	23.5%	419	76.5%
Chatterjee et al. (30)	42.05 ± 12.19	119	78.3%	33	21.7%
Choi et al. (14)	47.26 ± 15.82	226	45.0%	274	55.0%
Huang and Zhao (31)	35.3 ± 5.6	3,284	45.0%	3,952	55.0%
Nguyen et al. (32)	44.4 ± 17.0	1,747	44.3%	2,200	55.7%
Wang et al. (9)	33.9 ± 12.3	531	33.2%	1,068	66.8%
Xiao et al. (3)	N/A	314	32.8%	644	67.2%
Xing et al. (5)	35.5 ± 9.6	153	27.9%	359	72.8%
Yang et al. (33)	36.2 ± 10.2	34	52.3%	31	47.7%
Zhang et al. (34)	33.7 ± 9.6	270	17.2%	1,293	82.7%
Zhou et al. (11)	16.0	3,753	46.5%	4,326	53.5%
Zhu et al. (35)	34.16 ± 8.06	18	17.0%	137	83.0%