Low serum free triiodothyronineis level predicts worse outcome of patients with severe fever with thrombocytopenia syndrome

Table 2 Comparison of baseline serum FT3, FT4, FT3/FT4 ratio and TSH between male and female in survivors and nonsurvivors

Parameters	survivors		p value	nonsurvivors		p value
Parameters	male	female	p value	male	female	p value
Age (year)	63 (51.3,72)	59.4 ± 9.6	0.056	70.1 ± 10.8	74.9 ± 10.8	0.26
Age (year)	(n = 84)	(n = 89)	0.056	(n = 25)	(n = 9)	0.26
FT3 (pmol/L)	2.92 (2.33, 3.50)	2.66 (2.13, 3.36)	0.033	2.30 ± 0.36	2.10 ± 0.53	0.23
FT3 (pmol/L)	(n = 84)	(n = 89)	0.033	(n = 25)	(n = 9)	0.23
FT4 (pmol/L)	11.5 ± 2.6	11.6 ± 2.4	0.78	10.8 ± 2.2	11.0 ± 1.9	0.83
FT4 (pmol/L)	(n = 48)	(n = 50)	0.78	(n = 18)	(n = 8)	0.83
FT3/FT4 ratio	0.26 ± 0.06	0.24 ± 0.07	0.14	0.20 (0.19, 0.24)	0.19 ± 0.06	0.2
FT3/FT4 ratio	(n = 48)	(n = 50)	0.14	(n = 18)	(n = 8)	0.2
TSH (uIU/mL)	1.37 (0.89,1.96)	0.61(0.41, 1.06)	0.3	0.68 (0.41, 1.23)	0.56 (0.35, 1.16)	0.83
TSH (uIU/mL)	(n = 48)	(n = 50)	0.3	(n = 16)	(n = 8)	0.83

ISSN: 1471-2334