Table 1.
Results of selected laboratory tests by hospital day
| Test (normal range) | Hospital day | ||||||
| 1 | 2 | 3 | 5 | 10 | 14 | 31 | |
| WBC×109/l (4.7–10.7) | 157.5 | 136.2 | 107 | 53.8 | 78 | 87.2 | 13.3 |
| Platelets×109/l (160–410) | 505 | 365 | 307 | 130 | 202 | 453 | 216 |
| BUN mg/l (60–220) | 340 | 430 | 840 | 1170 | 580 | 400 | 350 |
| Creatinine mg/l (4–12) | 17 | 20 | 31 | 53 | 57 | 42 | 17 |
| AST IU/ml (4–35) | 71 | 171 | 164 | 120 | 35 | 25 | 28 |
| ALT IU/ml (2–40) | 35 | 53 | 48 | 40 | 29 | 22 | 25 |
| Troponin I ng/ml (0.3–2.0) | 5.4 | 91.7 | 184 | 48.7 | 6 | 1 | NA |
| CKMB ng/ml (0.7–10.0) | 12.3 | 79.6 | 45.8 | 11.8 | 3.5 | 3.5 | NA |
Treatment with doxycycline was initiated on hospital day 3.
ALT, alanine aminotransferase; AST, aspartate aminotransferase; BUN, blood urea nitrogen; CKMB, creatine kinase MB fraction; NA, not available; WBC, white blood cell count.