Table 4.
Final full listening panel classification of all digital lung sound examinations in PERCH participants stratified by case–control status and study site
| Total* | Normal n (%) |
Abnormal n (%)† |
Crackle only n (%) |
Wheeze only n (%) |
Crackle and wheeze n (%) |
|
| Controls | ||||||
| Total* | 284 | 241 (84.9) | 43 (15.1)‡ | 7 (2.5) | 26 (9.2) | 10 (3.5) |
| Kenya | 3 | 3 (100.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| The Gambia | 46 | 38 (82.6) | 8 (17.4) | 1 (2.2) | 4 (8.7) | 3 (6.5) |
| Zambia | 36 | 26 (72.2) | 10 (27.8) | 0 (0.0) | 9 (25.0) | 1 (2.8) |
| South Africa | 9 | 7 (77.8) | 2 (22.2) | 0 (0.0) | 0 (0.0) | 2 (22.2) |
| Bangladesh | 23 | 15 (65.2) | 8 (34.8) | 3 (13.0) | 5 (21.7) | 0 (0.0) |
| Thailand | 167 | 152 (91.0) | 15 (9.0) | 3 (1.8) | 8 (4.8) | 4 (2.4) |