All (n = 120) | B. burgdorferi s.l. (n = 73) | B. burgdorferi s.l./B.divergens (n = 47) | Statistics | |
---|---|---|---|---|
Demography and epidemiology | ||||
Gender | ||||
M | 81 (67.5%) | 47 (64.4%) | 34 (72.3%) | χ2 = 0.825, df = 1, P = 0.364 |
F | 39 (32.5%) | 26 (35.6%) | 13 (27.7%) | |
Age | ||||
Years (n = 119) | 57.19 (43.50–72.24) | 58.0 (42.8–73.6) | 56.4 (45.5–71.8) | U = 1649.4, Z = -0.231, P = 0.817 |
Occupation | ||||
Farmer | 8(10.0%) | 4 (8.5%) | 4 (12.1%) | χ2 = 4.90, df = 3, P = 0.179 |
Cattle breeder | 5 (6.3%) | 3 (6.4%) | 2 (6.1%) | |
Open air activity | 3 (3.8%) | 0 (0%) | 3 (9.1%) | |
Other | 64 (80.0%) | 40 (85.1%) | 24 (72.7) | |
Tick bite identified | ||||
Yes | 26 (23.2%) | 17 (24.6%) | 9 (20.9%) | χ2 = 0.204, df = 1, P = 0.651 |
No | 86 (76.8%) | 52 (75.4%) | 34 (79.1%) | |
Tick removal | ||||
Yes | 20 (17.9%) | 12 (17.4%) | 8 (18.6%) | χ2 = 0.027, df = 1, P = 0.87 |
No | 92 (82.1%) | 57 (82.6%) | 35 (81.4%) | |
Predisposing factors | ||||
Yes | 106 (91.4%) | 64 (90.4%) | 42 (93.3%) | χ2 = 0.356, df = 1, P = 0.738 |
No | 10 (8.6%) | 7 (9.6%) | 3 (6.7%) | |
Transfusion | ||||
Yes | 0 (0%) | 0 (0%) | 0 (0%) | - |
No | 114 (100%) | 69 (100%) | 45 (100%) | |
Asplenia | ||||
Yes | 0 (0%) | 0 (0%) | 0 (0%) | - |
No | 114 (100%) | 69 (100%) | 45 (100%) | |
Immunosuppression | ||||
Yes | 4 (3.5%) | 2 (2.9%) | 2 (4.4%) | χ2 = ,0.206 df = 1, P = 0.644 |
No | 111 (96.5%) | 68 (97.1%) | 43 (95.6%) | |
Age > 50 years | ||||
Yes | 73 (63.9.6%) | 43 (59.7%) | 33 (70.2%) | χ2 = 1.356, df = 1, P = 0.244 |
No | 43 (36.1%) | 29 (40.3%) | 14 (29.8%) | |
Outdoor hobbies | ||||
Yes | 79 (76.7%) | 45 (72.6%) | 34 (82.9%) | χ2 = 1.478, df = 1, P = 0.224 |
No | 24 (23.3%) | 17 (27.4%) | 7 (17.1%) | |
Non-professional animal contact | ||||
Yes | 34 (33.0%) | 18 (29.0%) | 16 (39.0%) | χ2 = 1.114, df = 1, P = 0.291 |
No | 69 (67.0%) | 44 (71.0%) | 25 (61.0%) |