From: Reference equations for spirometric indices from a sample of the general adult population in Nigeria
Age group | Males (358) | Females (362) |
---|---|---|
Frequency (%) | Frequency (%) | |
18–25 | 81(22.6) | 87(24.0) |
26–35 | 95(26.5) | 44(12.2) |
36–45 | 64(17.9) | 71(19.6) |
46–55 | 50(14.0) | 43(11.9) |
56–65 | 68(19.0) | 117(32.3) |