Table 4.

Number of anti TH and anti TO levels in blood isloates

Titration Record	Total Patients (n = 1371)	Culture positive patients (n = 237)	Culture negative patients (n = 1134)
Anti TH
Aggutinition	311 (22.68 %)	108 (45.57 %)	203 (17.92 %)
≥1:640	78 (25.08 %)	36 (33.33 %)	42 (20.69 %)
1:320	156 (50.16 %)	55 (50.93 %)	101 (49.75 %)
1:160	176 (56.59 %)	89 (82.41 %)	87 (42.86 %)
1:80	201 (64.63 %)	98 (90.74 %)	103 (50.74 %)
1:40	311 (100 %)	108 (100 %)	203 (100 %)
No Agglutination	1060 (77.32 %)	129 (54.43)	931 (82.14 %)
Anti TO
Aggutinition	298 (21.74 %)	104 (43.88 %)	194 (17.11 %)
≥1:640	71 (23.83 %)	29 (27.88 %)	42 (21.65 %)
1:320	147 (49.33 %)	45 (43.27 %)	102 (52.58 %)
1:160	164 (55.03 %)	84 (80.77 %)	80 (41.24 %)
1:80	198 (66.44 %)	91 (87.5 %)	107 (55.15 %)
1:40	298 (100 %)	104 (100 %)	194 (100 %)
No Agglutination	1073 (78.26 %)	133 (56.12 %)	940 (82.89 %)