Parameters | Children (4–12 years) | Adolescents (13–18 years) | Adults (≥ 19 years) |
---|---|---|---|
Males, n | 179 | 111 | 552 |
Age, years | |||
Range | 4.95–11.95 | 12.01–18.73 | 19.01–87.16 |
Mean (SD) | 8.91 (1.77) | 14.63 (1.73) | 37.24 (15.45) |
Median (25–75th percentiles) | 9.05 (7.58–10.29) | 14.56 (13.16–15.79) | 31.84 (24.89–46.07) |
Height, cm | |||
Range | 103–161 | 134–182 | 150–196 |
Mean (SD) | 131.65 (10.82) | 160.04 (10.29) | 172.13 (7.17) |
Median (25–75th percentiles) | 132 (124–139) | 160 (153–166.5) | 172 (168–176) |
Ethnicity | |||
Bantu, n (%) | 168 (93.8) | 104 (93.7) | 415 (75.2) |
Soudano-sahelian, n (%) | 11 (6.2) | 7 (6.3) | 105 (19.0) |
Mixed | – | – | 32 (5.8) |
FEV1, L | |||
Range | 0.84–3.13 | 1.58–4.02 | 1.05–5.91 |
Mean (SD) | 1.51 (0.39) | 2.72 (0.61) | 3.26 (0.81) |
Median (25–75th percentiles) | 1.50 (1.25–1.74) | 2.69 (2.25–3.15) | 3.29 (2.78–3.75) |
FVC, L | |||
Range | 0.86–3.34 | 1.76–4.58 | 1.28–7.51 |
Mean (SD) | 1.65 (0.45) | 3.07 (0.70) | 3.82 (0.90) |
Median (25–75th percentiles) | 1.61 (1.34–1.93) | 2.93 (2.56–3.61) | 3.79 (3.32–4.40) |
FEV1/FVC | |||
Range | 0.75–1 | 0.77–0.99 | 0.65–1 |
Mean (SD) | 0.92 | 0.89 (0.05) | 0.85 (0.07) |
Median (25–75th percentiles) | 0.93 (0.88–0.97) | 0.89 (0.86–0.92) | 0.86 (0.81–0.90) |
FEF25-75%, L/S | |||
Range | 0.93–4.90 | 1.71–5.06 | 0.84–10.44 |
Mean (SD) | 2.06 (0.64) | 3.23(0.82) | 4.52(1.75) |
Median (25–75th percentiles) | 2.03 (1.62–2.44) | 3.22(2.61–3.94) | 4.24(3.31–5.46) |
Females, n | 217 | 118 | 600 |
Age, years | |||
Range | 4.45–11.98 | 12.02–18.67 | 19–88.13 |
Mean (SD) | 8.79(1.78) | 15.33 (2.00) | 38.09 (15.54) |
Median (25–75th percentiles) | 8.89(7.40–10.16) | 15.4 (13.40–17.24) | 33.20 (24.67–49.31) |
Height, cm | |||
Range | 104–174 | 140–175 | 143–188 |
Mean (SD) | 132.20 (12.41) | 158.30 (7.13) | 162.43 (6.62) |
Median (25–75th percentiles) | 130 (124–140) | 158 (154–163) | 162 (158–167) |
Ethnicity | |||
Bantu, n (%) | 203(93.5) | 106 (89.8) | 481 (80.2) |
Soudano-sahelian; n (%) | 14(6.5) | 12 (10.2) | 68 (11.3) |
Mixed | – | – | 51 (8.5) |
FEV1, L | |||
Range | 0.65–3.20 | 1.64–3.40 | 1.01–4.58 |
Mean (SD) | 1.48 (0.44) | 2.56 (0.40) | 2.42 (0.60) |
Median (25–75th percentiles) | 1.42 (1.18–1.74) | 2.55 (2.31–2.81) | 2.46 (1.98–2.80) |
FVC, L | |||
Range | 0.70–3.58 | 1.82–3.81 | 1.13–5.19 |
Mean (SD) | 1.62 (0.49) | 2.81 (0.45) | 2.83 (0.66) |
Median (25–75th percentiles) | 1.54 (1.27–1.89) | 2.83 (2.50–3.13) | 2.82 (2.40–3.24) |
FEV1/FVC | |||
Range | 0.79–1 | 0.78–1 | 0.65–1 |
Mean (SD) | 0.92 (0.05) | 0.91 (0.07) | 0.85 (0.07) |
Median (25–75th percentiles) | 0.93 (0.88–0.97) | 0.90 (0.87–0.94) | 0.86 (0.80–0.91) |
FEF25-75%, L/S | |||
Range | 0.74–4.67 | 1.62–4.91 | 1–8.07 |
Mean (SD) | 0.92 (0.88–0.97) | 3.21 (0.73) | 3.57 (1.27) |
Median (25–75th percentiles) | 0.93 (0.88–0.97) | 3.21 (2.69–3.68) | 3.42 (2.64–4.35) |