Research Article

[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 4

Comparison of blood gas index level between the two groups ().

IndexTimeObservation group ()Control group ()

PaO2Before treatment0.6780.213
After treatment9.3530.003
14.3188.176
0.0010.004

PaCO2Before treatment1.1030.084
After treatment4.9280.031
16.12815.236
0.0010.003

Note: significant difference as .