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The number of days between the onset of disease and follow-up visit in each group, showing range, mean (M), and standard deviation (SD).
| Groups | Follow-Up (Days), Range: M (SD) |
|---|---|
| 1. | 8–570; 93.8 (141.9) |
| 2. | 8–561; 79.1 (129.1) |
| 3. | 4–548; 82.2 (109.2) |
| 4. | 10–371; 92.7 (99.1) |
| 5. | 7–113; 46.3 (34.4) |
