Table 5.
Influence of age and sex on the sensitivity of wheeze detection.
| Group | Wheeze data | No-wheeze data | |||||
|
|
N | TPa | Sensitivity (%) (95% CI) | N | TNb | Specificity (%) (95% CI) | |
| Age (months) |
|
|
|
|
|
|
|
|
|
0 | 24 | 23 | 95.8 (78.9-99.9) | 30 | 28 | 93.3 (77.9-99.2) |
|
|
1 | 45 | 43 | 95.6 (84.9-99.5) | 25 | 25 | 100 (86.3-100) |
|
|
2 | 27 | 26 | 96.3 (81.0-99.9) | 25 | 25 | 100 (86.3-100) |
|
|
3–8 | 81 | 79 | 97.5 (91.4-99.7) | 117 | 116 | 99.1 (95.3-100) |
| Sex |
|
|
|
|
|
|
|
|
|
Male | 110 | 106 | 96.4 (89.3-97.6) | 131 | 130 | 99.2 (92.2-98.6) |
|
|
Female | 67 | 65 | 97.0 (90.3-99.3) | 66 | 64 | 97.0 (88.6-98.3) |
| Total | 177 | 171 | 96.6 (92.8-98.7) | 197 | 194 | 98.5 (95.6-99.7) | |
aTP: true positive.
bTN: true negative.