[Retracted] The Effects of Sequential Ventilation Therapy on Blood Gas Indexes, Pulmonary Function Indexes, Clinical Efficacy, and Safety in Patients with Severe Cor Pulmonale

Table 2

Comparison of ventilator-related indicators.

Group	n	Duration of invasive ventilation (d)	Total ventilation time (d)	The hospitalization time (d)
Control group	48	6.40 ± 1.14	15.50 ± 1.78	19.83 ± 2.81
Study group	48	4.81 ± 1.44	10.13 ± 1.55	14.52 ± 2.22
T		5.986	15.795	10.279
		< 0.001	< 0.001	< 0.001