Table 1. Demographic, clinical and laboratory characterization of the 97 leptospirosis participants.
| Participants | Participants | ||||
| Demographic characterization | N = 97 | (%) | Clinical data | N = 97 | (%) |
| Age at infection (yr) | Myalgia | 94 | (96.9) | ||
| Mean | 44.1±16.2 | – | Fever | 92 | (94.9) |
| Range | 16–86 | – | Chills | 82 | (84.5) |
| Sex | Headache | 74 | (76.3) | ||
| Male | 87 | (89.7) | Elevated ALT/ASPa | 51 | (52.6) |
| Female | 10 | (10.3) | Elevated ALP/GGTb | 50 | (51.6) |
| Profession | Thrombocytopenia | 48 | (49.5) | ||
| Farmer | 37 | (38.1) | Jaundice | 39 | (40.2) |
| Retired | 17 | (17.5) | Leucocytosis/neutrophily | 36 | (37.1) |
| Housewife | 6 | (6.2) | Coluria/bilirrubin | 32 | (32.4) |
| Greenhouse workers | 5 | (5.2) | Nausea | 31 | (32.0) |
| Bricklayer | 4 | (4.1) | Urea/creatinine | 28 | (28.9) |
| Others | 28 | (28.9) | Vomiting | 22 | (22.7) |
| Municipalities of São Miguel Island | Elevated CKc | 22 | (22.7) | ||
| Ponta Delgada | 54 | (55.7) | Anorexy | 22 | (22.7) |
| Ribeira Grande | 23 | (23.7) | Prothrombin | 15 | (15.5) |
| Lagoa | 9 | (9.3) | Cough | 13 | (13.4) |
| Vila Franca do Campo | 7 | (7.2) | Dyspenia | 13 | (13.4) |
| Nordeste | 3 | (3.1) | Hipoxemia | 13 | (13.4) |
| Povoação | 1 | (1.0) | Anemia | 11 | (11.3) |
| Odynophagy | 9 | (9.3) | |||
| Diarrhea | 5 | (5.2) | |||
| Hemoptysis | 5 | (5.2) | |||
| Cilindruria | 4 | (4.1) | |||
| Conjunctivitis | 4 | (4.1) | |||
| Petechiae | 3 | (3.1) | |||
| Meningitis | 2 | (2.1) | |||
a
ALT: Alanine transaminase/ASP: Aspartate transaminase.
b
ALP: Alkaline phosphatase/GGT: Gamma glutamyltransferase.
c
Kreatinine Kinase.