Prevalence of chronic obstructive pulmonary disease (COPD) and its associated factors among adults in Abeshge District, Ethiopia: a cross sectional study

Table 3 Mean lung function parameters and prevalence of COPD according to sex among study participants in Abeshge district, Southern Ethiopia, 2019

Parameters	Sex		Totals
Parameters	Male	Female
^aPre-bronchodilator spirometry (n = 734)
FVC (liter)	3.69 ± 1.16	2.77 ± 0.98	3.29 ± 1.17
FEV1(liter)	2.91 ± 0.79	2.19 ± 0.72	2.60 ± 0.84
FEV1%	81.37 ± 14.91	81.15 ± 15.57	81.27 ± 15.18
PEF (liter/second)	4.64 ± 2.02	3.40 ± 1.63	4.11 ± 1.96
FEF_25–75% (liter/second)	2.92 ± 1. 34	2.22 ± 1.21	2.62 ± 1.33
^aPost-bronchodilator spirometry (n = 230)
FVC (liter)	4.33 ± 1.37	3.24 ± 1.09	3.89 ± 1.37
FEV1(liter)	2.69 ± 0.79	2.00 ± 0.50	2.37 ± 0.79
FEV1%	64.13 ± 13.29	61.16 ± 13.35	62.93 ± 13.37
PEF (liter/second)	3.08 ± 1.14	2.26 ± 1.17	2.75 ± 1.22
FEF_25–75% (liter/second)	2.08 ± 0.91	1.37 ± 0.80	1.79 ± 0.93
^b COPD (n = 734)
Yes	70 (16.6%)	61 (19.5%)	131 (17.8%)
No	351 (83.4%)	252 (80.5%)	603 (82.2%)
^b Severity of COPD (n = 131)
Mild	39 (55.7%)	32 (52.5%)	71 (54.2%)
Moderate	20 (28.6%)	24 (39.3%)	44 (33.6%)
Severe	11 (15.7%)	5 (8.2%)	16 (12.2%)
Very severe	0 (0)	0 (0)	0 (0)

^aData are presented as mean (SD), ^b: Data are presented as n (%), FEV1 forced expiratory volume in 1st second, FVC forced vital capacity, PEF peak expiratory flow, FEF25–75% forced expiratory flow at 25–75% of FVC, COPD chronic obstructive pulmonary disease

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