. 2020 Mar-Apr;46(2):e20180198. doi: 10.36416/1806-3756/e20180198

Table 3. Spirometric classification of patients treated for pulmonary tuberculosis (N = 378) who had a history of lung disease or smoking or who had no such history; 2014-2015.^a .

Classification	LDS+ group		LDS− group		p*
	(n = 174)		(n = 204)
	n	%	n	%
Normal spirometry	48	27.6	92	45.8	0.01
Obstructive lung disease	58	33.3	42	20.6	0.99
Mild	44	75.9	37	88.1
Moderate	13	22.4	4	9.5
Severe	1	1.7	1	2.4
Obstructive lung disease with reduced FVC	49	28.2	18	8.9	0.03
Mild	8	16.3	4	20.0
Moderate	17	34.7	12	60.0
Severe	24	49.0	4	20.0
Restrictive lung disease	19	10.9	50	24.7	0.54
Mild	17	89.5	46	92.0
Moderate	0	0.0	1	2.0
Severe	2	10.5	3	6.0

LDS: history of lung disease or smoking. ^aAccording to the recommendations of the Brazilian Thoracic Association guidelines. ¹⁶ ⁾ *Chi-square test for linear association.

Table 3. Spirometric classification of patients treated for pulmonary tuberculosis (N = 378) who had a history of lung disease or smoking or who had no such history; 2014-2015.a .

Table 3. Spirometric classification of patients treated for pulmonary tuberculosis (N = 378) who had a history of lung disease or smoking or who had no such history; 2014-2015.^a .