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Table 4 Results for Index Test versus Clinical diagnoses per age groups

From: A prospective multicentre study testing the diagnostic accuracy of an automated cough sound centred analytic system for the identification of common respiratory disorders in children

Clinical Condition Clinical Diagnosis Positive (n) Index Test
Yes No Positive Percent Agreement (95% CI) Negative Percent Agreement (95% CI)
Subjects 29 days – 12 years
 LRTD 419 154 83% (79–86%) 82% (75–88%)
 ASTHMA/RAD 149 381 97% (92–99%) 91% (88–94%)
 CROUP 68 500 85% (75–93%) 82% (78–85%)
 PNEUMONIA 60 509 87% (75–94%) 85% (82–88%)
 URTD 89 482 79% (69–87%) 80% (76–84%)
 BRONCHIOLITIS 131 26 84% (77–90%) 81% (61–93%)
Subjects 29 days - 2 years
 LRTD 145 19 88% (82–93%) 74% (49–91%)
 ASTHMA/RAD 10 149 80% (44–97%) 97% (93–99%)
 CROUP 15 146 80% (52–96%) 79% (72–86%)
 PNEUMONIA 6 160 100% (54–100%) 97% (93–99%)
 URTD 4 158 50% (7–93%) 87% (80–92%)
 BRONCHIOLITIS 131 26 84% (77–90%) 81% (61–93%)
Subjects 2–12 years
 LRTD 274 135 80% (74–84%) 83% (76–89%)
 ASTHMA/RAD 139 232 98% (94–100%) 88% (83–91%)
 CROUP 53 354 87% (75–95%) 83% (79–87%)
 PNEUMONIA 54 349 85% (73–93%) 80% (76–84%)
 URTD 85 324 80% (70–88%) 77% (72–82%)