[Retracted] Effect of High-Quality Nursing Care on Patients with Acute Exacerbation of Chronic Obstructive Pulmonary Disease Complicated with Respiratory Failure: An Observational Cohort Study

Table 1

Comparison of clinical data between the two groups.

	Observation group ()	Control group ()		value
Age (years)			2.15	0.55
Sex			1.156	0.64
Male ()	25 (58.1%)	24 (58.5%)
Female ()	18 (41.9%)	17 (41.5%)
BMI				0.21
Smoking status			6.85	0.34
Smoking	38 (88.4%)	36 (87.8%)
Never smoke	5 (11.6%)	5 (12.2%)
Chronic emphysema separated	20 (46.5%)	22 (53.7%)	8.76	0.11
Asthma	11 (25.6%)	14 (34.1%)	5.72	0.31
Disease severity; GOLD stage			6.17	0.17
A	11 (25.6%)	10 (24.4%)
B	21 (48.8%)	22 (53.7%)
C	8 (18.6%)	5 (12.2%)
D	3 (7%)	4 (9.8%)