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Table 5 Evaluating the pulmonary function tests for the study and control groups

From: Effects of volatile substance abuse on the respiratory system in adolescentsEffetti dell’abuso di sostanze volatili sull’apparatorespiratorio degli adolescenti

 

Study group (n = 29) Mean ± SD

Control group (n = 13) Mean ± SD

P•

FEV1 (L)

3.78 ± 0.59

4.23 ± 0.59

0.029*

FEV1 (%)

97.75 ± 13.85

103.38 ± 10.75

0.202

FVC (L)

3.90 ± 0.62

4.35 ± 0.71

0.046*

FVC (%)

84.03 ± 11.66

88.69 ± 10.88

0.229

PEF (L/secec)

6.85 ± 1.08

9.54 ± 0.85

0.001**

PEF (%)

80.44 ± 16.97

110.23 ± 17.88

0.001**

FEV1/FVC

97.10 ± 4.75

97.61 ± 3.30

0.727

FEV1/FVC (%)

117.00 ± 5.55

117.37 ± 4.53

0.866

MEF25-75 (L/sec)

4.94 ± 1.22

6.35 ± 1.21

0.001**

MEF25-75 (%)

114.65 ± 22.95

138.92 ± 32.15

0.008**

  1. •: Student's t-test.
  2. *p < 0.05.
  3. **p < 0.01.
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Multidisciplinary Respiratory Medicine

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