Table 3.
Hospitalization and outcome for cases of Ehrlichia chaffeensis, Anaplasma phagocytophilum, and undetermined, unknown, or other agent (UUOA) as reported through Case Report Forms, United States, 2000–2007
| Characteristic | E. chaffeensis, n = 1,206, no. (%) | A. phagocytophilum, n = 2,040, no. (%) | UUOA, n = 656, no. (%) |
|---|---|---|---|
| Reporting | |||
| Hospitalization | 1,173 (97.3) | 1,907 (93.5) | 638 (97.3) |
| Hospitalized | 570 (48.6) | 687 (36.0) | 225 (35.3) |
| Confirmed | 169 (29.6) | 163 (23.7) | 51 (22.7) |
| Probable | 401 (70.4) | 524 (76.3) | 174 (77.3) |
| Not hospitalized | 603 (51.4) | 1220 (64.0) | 413 (64.7) |
| Confirmed | 63 (10.4) | 218 (17.9) | 55 (13.3) |
| Probable | 540 (89.6) | 1,002 (82.1) | 358 (86.7) |
| Reporting | |||
| Outcome | 1,027 (85.2) | 1,921 (94.2) | 642 (97.9) |
| Died | 19 (1.9) | 11 (0.6) | 3 (0.5) |
| Confirmed | 8 (42.1) | 2 (18.2) | 0 (0) |
| Probable | 11 (57.9) | 9 (81.8) | 3 (100) |
| Survived | 1,008 (98.1) | 1,910 (99.4) | 639 (99.5) |
| Confirmed | 215 (21.3) | 380 (19.9) | 109 (17.1) |
| Probable | 793 (78.7) | 1,530 (80.1) | 530 (82.9) |