Table 1. Coronavirus disease 2019 (COVID-19) data and severity classification of the 14 patients.

Data		Unit/category	Values
Number of days before the pulmonary rehabilitation program		Days	83±30 (65 to 100)
Hospital stay		Days	17±7 (10 to 17)
Classification severity of COVID-19	Chest computed tomography	Extensive	29
		Severe	71
	Clinical	Moderate	21
		Severe	79

Quantitative and categorical data were mean±standard deviation (95% confidence interval) and percentage, respectively.