Table 3. Maximal inspiratory pressure percentiles in 7- to 10-year-old boys and girls.
| Age, years | Female | Male | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L | M | S | P3 | P10 | P25 | P50 | P75 | P90 | P97 | L | M | S | P3 | P10 | P25 | P50 | P75 | P90 | P97 | |
| 7 | -0.6 | 47.6 | 0.1 | 36.1 | 39.2 | 42.8 | 47.6 | 53.3 | 59.5 | 66.8 | -0.1 | 53.2 | 0.2 | 36.9 | 41.3 | 46.5 | 53.2 | 61.1 | 69.3 | 78.7 |
| 8 | -0.4 | 50.9 | 0.1 | 36.2 | 40.2 | 44.8 | 51.0 | 58.3 | 66.3 | 75.8 | -0.8 | 55.3 | 0.1 | 40.6 | 44.4 | 49.1 | 55.3 | 63.3 | 72.4 | 84.2 |
| 9 | -0.5 | 53.4 | 0.2 | 37.8 | 41.9 | 46.8 | 53.4 | 61.7 | 71.0 | 82.5 | -0.7 | 60.8 | 0.1 | 43.8 | 48.2 | 53.5 | 60.8 | 70.1 | 80.7 | 94.3 |
| 10 | -0.9 | 55.7 | 0.1 | 42.0 | 45.6 | 49.9 | 55.7 | 63.1 | 71.5 | 82.3 | 0.1 | 63.6 | 0.2 | 42.0 | 48.1 | 55.0 | 63.7 | 73.4 | 83.2 | 93.9 |
L: skewed value; M: mean; S: coefficient of variation; P3: percentile 3; P10: percentile 10; P: percentile 25; P50: percentile 50; P75: percentile 75; P90: percentile 90; P97: percentile 97.