[Retracted] Efficacy of Xiyanping in the Treatment of Elderly Patients with Chronic Obstructive Pulmonary Disease and Its Effect on the Expression of GDF-15 and HIF-1α in Serum

Table 1

Differences in general information between the two groups.

Normal information	Control group ()	Observation group ()	or
Gender ( (%))			0.191	0.662
Male	24 (55.81)	26 (60.47)
Female	19 (44.19)	17 (39.53)
Age ()			0.211	0.834
BMI () (kg/m^2)			0.738	0.463
Severity of illness ( (%))			0.508	0.476
Moderate	32 (74.42)	29 (67.44)
Severe	11 (25.58)	14 (32.56)
COPD course of disease () (year)			0.259	0.796
Smoking status ( (%))			0.426	0.808
None	24 (55.81)	21 (48.84)
Quit smoking	8 (18.60)	9 (20.93)
Smoking	11 (25.58)	13 (30.23)
Concomitant disease ( (%))
Hypertension	17 (39.53)	20 (46.51)	0.427	0.514
Diabetes	15 (34.88)	12 (27.91)	0.486	0.486
Coronary heart disease	12 (27.91)	16 (37.21)	0.847	0.357
Hyperlipidemia	18 (41.86)	17 (39.53)	0.048	0.826