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Table 3 Pulmonary function tests (PFTs) in usual care and intervention groups of asthmatic patients at the beginning, middle and the end of the study

From: Improvement in symptoms and pulmonary function of asthmatic patients due to their treatment according to the Global Strategy for Asthma Management (GINA)

  Beginning Middle End
PFTs Usual care Gr. Intervention Gr. Usual care Gr. Intervention Gr. Usual care Gr. Intervention Gr.
FVC 57.71 ± 10.57 61.50 ± 11.77
NS
65.88 ± 16.27 79.12 ± 7.35
***
59.71 ± 10.10 81.35 ± 10.16
***
FEV1(l) 56.88 ± 14.27 59.00 ± 9.57
NS
61.46 ± 16.23 80.19 ± 10.93
***
55.29 ± 12.64 82.65 ± 10.50
***
PEF(l/s) 45.04 ± 13.71 51.92 ± 17.43
NS
45.79 ± 12.05 66. 96 ± 13.21
***
42.75 ± 11.28 73.46 ± 12.04
***
MMEF 42.58 ± 17.04 45.61 ± 10.73
NS
43.83 ± 17.11 76.88 ± 15.18
***
40.54 ± 14.05 81.12 ± 15.40
***
MEF75(l/s) 41.38 ± 15.77 52.04 ± 18.21
*
44.17 ± 12.54 67.31 ± 14.75
***
40.83 ± 9.85 73.73 ± 13.92
***
MEF50(l/s) 44.13 ± 13.56 49.23 ± 16.23
NS
44.42 ± 14.21 78.31 ± 17.31
***
40.75 ± 12.03 87.31 ± 18.26
***
MEF25(l/s) 49.92 ± 19.40 51.77 ± 15.37
NS
48.17 ± 18.65 86.81 ± 25.28
***
42.63 ± 14.08 86.96 ± 22.23
***
  1. Gr.: group, FEV1: forced expiratory volume in one second; FVC: forced vital capacity; PEF: peak expiratory flow; MMEF: maximal mid expiratory flow; MEF75, MEF50 and MEF25: maximal expiratory flow at 75%, 50%, and 25% of the FVC respectively. All values of PFTs were quoted as mean ± SD of percentage predicted. Statistical difference in different parameter between usual care and intervention groups: NS; non significant difference, *; p < 0.05, **; p < 0.005, ***; p < 0.001.