Table 2.
Algorithm performance statistics for smaller less clustered outbreaks (S1:n = 64) for false alarm (FA) rates approximating 0.05 and 0.01.
| Algorithm | mean FA rate |
mean sensitivity | mean (median) timeliness | mean (median) adjusted timeliness |
|---|---|---|---|---|
| EARS C1 | 0.048 | 56.3 | 6.4 (0) | 15.8 (19.5) |
| EARS C2 | 0.045 | 85.9 | 6.0 (2) | 9.1 (6) |
| EARS C3 | 0.049 | 96.9 | 3.0 (0) | 3.8 (0) |
| NBC 7 | 0.050 | 96.9 | 3.7 (1) | 4.5 (1) |
| NBC 14 | 0.049 | 96.9 | 3.9 (1) | 4.6 (1) |
| NBC 28 | 0.052 | 93.8 | 4.8 (1) | 6.3 (1) |
| HMM 7 | 0.049 | 98.4 | 3.5 (1) | 3.9 (1) |
| HMM 14 | 0.051 | 100 | 5.0 (2) | 5.1 (2) |
| HMM 28 | 0.050 | 89.1 | 6.9 (5) | 9.2 (6) |
| EARS C1 | 0.0004 | 10.9 | 4.4 (3) | 25.4 (28) |
| EARS C2 | 0.008 | 10.9 | 3.0 (2) | 25.3 (28) |
| EARS C3 | 0.008 | 26.6 | 4.3 (2) | 21.7 (28) |
| NBC 7 | 0.008 | 60.9 | 7.7 (4) | 15.6 (16.5) |
| NBC 14 | 0.010 | 75.0 | 5.6 (2.5) | 11.2 (7.5) |
| NBC 28 | 0.012 | 76.6 | 8.2 (6) | 12.9 (10) |
| HMM 7 | 0.009 | 79.7 | 8.5 (7) | 12.5 (11) |
| HMM 14 | 0.008 | 93.8 | 7.3 (5.5) | 8.6 (6) |
| HMM 28 | 0.010 | 89.1 | 7.1 (5) | 9.4 (6) |