BMC Pulmonary Medicine

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 ***

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.

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