Clinical characteristics | 1993 | 1997 | Group mean p value | Paired data p value | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
n | Mean (SD) | Range | n | Mean (SD) | Range | ||||||
Age (years) | 76 | 11.4 (7.1) | 0.2 to 33.8 | 84 | 13.5 (7.8) | 0.4 to 37.8 | 0.068 | NA | |||
Height z-score | 76 | −0.50 (1.1) | −3.2 to 2.0 | 84 | −0.49 (1.2) | −3.5 to 2.5 | 0.98 | 0.48 | |||
Height centile1-150 | 76 | 28 | 1 to 98 | 84 | 32 | 0.9 to 100 | 0.81† | 0.76‡ | |||
Weight centile1-150 | 76 | 39.5 | 1 to 100 | 84 | 45 | 0.1 to 98 | 0.16† | < 0.001‡ | |||
Ideal weight for height (%) | 76 | 103.9 (12.2) | 72 to 135 | 84 | 104.5 (12.6) | 77 to 137 | 0.78 | 0.71 | |||
FEV1 (% predicted) | 56 | 85.7 (23.5) | 16 to 128 | 67 | 77.6 (25.2) | 18 to 144 | 0.068 | < 0.001 | |||
%FFE | ND | 19 | 11.3 (10.8) | 0.8–31 | ND |
↵1-150 Medians reported for non-parametric variables (height and weight centile); †Mann-Whitney test; ‡Wilcoxon signed rank test on the paired difference, 1997 and 1993.
FEV1 (%predicted), forced expiratory volume in one second as a percentage of that predicted based on age, weight, and height; % FFE, percentage of daily dietary fat intake excreted (good control of malabsorption in cystic fibrosis is < 15% FFE); ND, no data; NA, not applicable.