Table 6 Diagnostic accuracy of simplified diagnostic compared to 2020 IACS criteria
| Â | TP | TN | FP | FN | Sn % (95% CI) | Sp % (95% CI) |
|---|---|---|---|---|---|---|
Country | ||||||
 Solomon Islands (n = 5224) | 643 | 4293 | 145 | 143 | 81.8 (78.9, 84.4) | 96.7 (96.2, 97.2) |
 Fiji (n = 3351) | 419 | 2850 | 31 | 51 | 89.1 (86.0, 91.8) | 98.9 (98.5, 99.3) |
 Timor-Leste (n = 951) | 236 | 614 | 16 | 85 | 73.5 (68.3, 78.3) | 97.5 (95.9, 98.5) |
Sex | ||||||
 Male (n = 4537) | 672 | 3633 | 100 | 132 | 83.6 (80.8, 86.1) | 97.3 (96.7, 97.8) |
 Female (n = 4989) | 626 | 4124 | 92 | 147 | 81.0 (78.0, 83.7) | 97.8 (97.3, 98.2) |
Age (years) | ||||||
 0–1 (n = 438) | 115 | 294 | 20 | 9 | 92.7 (86.7, 96.6) | 93.6 (90.3, 96.1) |
 2–4 (n = 818) | 186 | 572 | 34 | 26 | 87.7 (82.5, 91.8) | 94.4 (92.2, 96.1) |
 5–9 (n = 1741) | 381 | 1232 | 59 | 69 | 84.7 (81.0, 87.9) | 95.4 (94.1, 96.5) |
 10–14 (n = 1596) | 271 | 1212 | 48 | 65 | 80.7 (76.0, 84.7) | 96.2 (95.0, 97.2) |
 15–29 (n = 1717) | 141 | 1515 | 22 | 39 | 78.3 (71.6, 84.1) | 98.6 (97.8, 99.1) |
 30–49 (n = 1860) | 118 | 1697 | 5 | 40 | 74.7 (67.2, 81.3) | 99.7 (99.3, 99.9) |
  ≥ 50 (n = 1356) | 86 | 1235 | 4 | 31 | 73.5 (64.5, 81.2) | 99.7 (99.2, 99.9) |
Total (n = 9526) | 1298 | 7757 | 192 | 279 | 82.3 (80.2, 84.2) | 97.6 (97.2, 97.9) |