The Effects of Safflower Yellow on Acute Exacerbation of Chronic Obstructive Pulmonary Disease: A Randomized, Controlled Clinical Trial

Table 2

Characteristics of the trial patients at baseline.

Demographics	Intervention group; (n = 63)	Control group; (n = 64)	P value
Age (years)	70.14±10.78	72.48±9.45	0.195
Weight (kg)	53.08±6.22	53.41±6.00	0.764
Sex (male:female)	37/26	35/29	0.721
FEV1 (%)	67.42±12.03	68.47±13.67	0.646
Smoker/non-smoker	43/20	45/19	0.801
APACHE II	12.06±2.56	12.06±2.59	0.998
Comorbidities:
Acute exacerbation of chronic obstructive pulmonary disease alone	36	33	0.528
coexisting with cardiovascular disease	13	12	0.789
coexisting with metabolic syndrome	5	7	0.763
coexisting with anxiety/depression	6	5	0.763
coexisting with other conditions	4	6	0.744