Table 6 Combined serum and aqueous humor Leptospira titer results and the corresponding Leptospira c-value results
Titer | negative titer(s) | SINGLE SEROVAR positive titer (<  1:400) | MULTIPLE SEROVARS positive titers (1:100–1:400) | SINGLE SEROVAR positive titer (>  1:400) | MULTIPLE SEROVARS positive titers (>  1:400) |
|---|---|---|---|---|---|
Serum (n = 80) | 41 (51.3%) | 20 (25.0%) | 10 (12.5%) | 6 (7.5%) | 3 (3.8%) |
Aqueous humor (n = 79) | 49 (62.0%) | 11 (13.9%) | 1 (1.3%) | 13 (16.5%) | 5 (6.3%) |
C-value(different serovars) | NO positive c-value | SINGLE positive c-value (less than 4) | MULTIPLE positive c-values (less than 4) | SINGLE positive c-value (greater than 4) | MULTIPLE positive c-values (greater than 4) |
C-value (n = 79) | 50 (63.3%) | 12 (15.2%) | 1 (1.3%) | 11 (13.9%) | 5 (6.3%) |