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. 2015 Sep-Oct;41(5):405–409. doi: 10.1590/S1806-3713201500000014

Table 2. General characteristics of the sample.

Characteristic
Age, years	n^a	Male gender, %^b	Mean^c	Tobacco consumption, %^b
Age, years	n^a	Male gender, %^b	Age, years	FEV₁^d	FVC^d	FEV₁/FVC^d
Pediatric patients
5-6	8	87.5	6.0 ± 0.5	82 ± 20	100 ± 9	FEV₁/FVC^d		72 ± 9	0.0
7-8	13	76.9	7.0 ± 0.5	81 ± 15	98 ± 8	70 ± 8	0.0
9-10	21	47.6	9.0 ± 0.5	81 ± 7	99 ± 7	70 ± 9	0.0
11-12	30	50.0	12.0 ± 0.5	79 ± 14	99 ± 10	71 ± 5	0.0
13-18	63	47.6	14.0 ± 0.5	79 ± 19	101 ± 8	72 ± 7	30.0
Adult patients
19-30	12	58.3	23 ± 0.7	78 ± 10	101 ± 18	72 ± 7	30.0	71 ± 8	25.0
31-45	6	50.0	34.0 ± 0.6	82 ± 9	102 ± 15	69 ± 11	33.3
46-60	25	48.0	51.0 ± 0.6	80 ± 10	99 ± 19	70 ± 7	28.0
61-75	51	49.0	67.0 ± 0.7	81 ± 12	98 ± 18	71 ± 9	29.4
76-90	34	52.9	79.0 ± 0.5	79 ± 15	95 ± 15	69 ± 9	14.7
Total	263	100.0

^a

Number of patients in each age group.

^b

Proportion for each age group.

^c

Values expressed as mean ± SD.

^d

Percentage of predicted value.