Table 1.

Clinical features and baseline characteristics between two groups

	Total	COPD(N = 37)	COPD + HUA(N = 31)	P-value
Age	68.41 ± 8.77	68.65 ± 1.04	68.13 ± 2.00	0.8099
Gender (Male/Female)	55/13	27/10	28/3	0.070
BMI	22.81 ± 4.38	21.55 ± 0.71	24.33 ± 0.73	0.0080
Pulmonary function
PreFEV1	69.86 ± 28.97	85.61 ± 4.64	51.06 ± 2.82	< 0.0001
PreFVC	78.51 ± 21.78	83.15 ± 4.34	73.04 ± 3.06	0.0703
PreFEV1/FVC	75.42 ± 20.28	83.86 ± 2.94	65.33 ± 3.32	0.0001
Post-FEV1	69.99 ± 19.21	82.68 ± 14.56	60.97 ± 15.357	0.4399
PostFVC	78.45 ± 25.87	83.83 ± 17.64	74.10 ± 10.71	0.6077
Post-FEV1/FVC	75.56 ± 23.44	84.43 ± 17.16	66.74 ± 14.40	0.7026
Hemogram indices
SUA	376.23 ± 133.04	284.46 ± 11.57	485.75 ± 18.67	< 0.0001
ALT	20.86 ± 17.79	18.58 ± 1.14	23.58 ± 4.53	0.2519
AST	21.53 ± 16.96	20.02 ± 1.14	23.32 ± 4.32	0.4294
EGFR	92.92 ± 26.68	99.00 ± 3.93	85.86 ± 5.15	0.0436
Scr	79.08 ± 36.11	67.62 ± 2.62	92.75 ± 8.53	0.0035
CRP	22.06 ± 42.72	9.39 ± 2.15	37.19 ± 10.53	0.0066
ALB	42.28 ± 7.77	42.27 ± 1.40	42.30 ± 1.23	0.9898
CRP/ALB	0.62 ± 1.62	0.21 ± 0.04	1.11 ± 0.42	0.0218

Abbreviation: COPD chronic obstructive pulmonary disease, HUA hyperuricemia, SUA serum uric acid, BMI body mass index, FEV1 forced expiratory volume in one second, FVC forced vital capacity, CRP C-reactive protein, ALT alanine transaminase, AST aspartate transaminase, ALB albumin, EGFR estimated Glomerular Filtration Rate, SCR serum creatinine