Table 2. Characteristcs of subjects in different ACR group.

Characteristics	ACR < 30 mg/g	ACR 30–300 mg/g	ACR > 300 mg/g
FT3 (pmol/L)	3.54 ± 1.99	3.56 ± 1.10	3.57 ± 1.01
TT3 (mmol/L)	1.17 ± 0.58	1.18 ± 0.39	1.23 ± 0.59
FT4 (pmol/L)**	9.15 ± 12.44	10.01 ± 6.96	14.68 ± 12.58
TT4 (mmol/L)*	45.90 ± 48.50	55.46 ± 50.71	71.32 ± 49.03
TSH (mIU/L)	4.68 ± 6.05	5.63 ± 21.80	4.62 ± 10.03
ACR (mg/g)	8.89 ± 8.14	112.15 ± 69.90	996.15 ± 843.73
Age	63.69 ± 15.69	62.56 ± 15.73	63.72 ± 15.54
Sex (male/female)	105/164	89/107	50/56
Scr (mg/dL)**	1.05 ± 0.80	1.23 ± 1.10	1.87 ± 1.29
eGFR (ml/min)**	90.79 ± 36.87	85.54 ± 36.40	61.19 ± 38.38

ACR: urinary albumin to creatinine ratio; Scr: serum creatinine; eGFR: estimated glomerular filtration rate by CKD-EPI four-level race equation (*P = 0.007; **P < 0.001 by Kruskal Wallis test).