Table 3 Diagnostic performance of ICD-10-CM codes for Dengue validated against positive NS1 or IgM lab results as diagnostic standards
N | Sensitivity, % (95% CI) | Specificity, % (95% CI) | Positive predictive value, % (95% CI) | Negative predictive value, % (95% CI) | |
|---|---|---|---|---|---|
Overall | 360 | 94 | 83 | 87 | 92 |
(92, 97) | (79, 87) | (83, 90) | (89, 95) | ||
Year 2010 | 159 | 91 | 88 | 90 | 89 |
(86, 95) | (82, 93) | (83, 94) | (83, 94) | ||
Year 2013 | 201 | 97 | 78 | 85 | 96 |
(94, 99) | (72, 84) | (79, 90) | (92, 98) | ||
Male | 194 | 94 | 81 | 86 | 92 |
(90, 97) | (75, 86) | (80, 91) | (87, 95) | ||
Female | 166 | 95 | 84 | 88 | 93 |
(91, 98) | (77, 89) | (82, 92) | (88, 97) | ||
Bleeding | 53 | 95 | 58 | 89 | 78 |
(84, 99) | (44, 72) | (77, 96) | (64, 88) | ||
No bleeding | 307 | 94 | 85 | 87 | 93 |
(91, 96) | (81, 89) | (83, 91) | (90, 96) | ||
Low platelet count < 50 | 102 | 98 | 31 | 88 | 77 |
(93, 100) | (23, 41) | (80, 94) | (68, 85) | ||
Platelet count ≥ 50 | 258 | 92 | 88 | 86 | 93 |
(88, 95) | (83, 92) | (81, 90) | (89, 96) | ||