Research Article

[Retracted] Effect of Enteral and Parenteral Nutrition Support on Pulmonary Function in Elderly Patients with Chronic Obstructive Pulmonary Disease Complicated by Respiratory Failure

Table 1

Comparison of three groups of baseline data.

GroupAgeSex (male/female)Course of disease (years)Comorbidities (hypertension/diabetes)Nationality (Han/minority)

Group A4123 (56.1)/18 (43.9)10 (24.4)/9 (21.6)37 (90.2)/4 (9.8)
Group B4625 (54.3)/21 (45.7)11 (23.9)/8 (17.4)41 (89.1)/5 (10.9)
Group C4019 (47.5)/21 (52.5)9 (22.5)/7 (17.5)36 (90.0)/4 (10.0)
0.7960.6741.9850.4920.034
0.4540.6140.1420.9740.984