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Table 4 Number of anti TH and anti TO levels in blood isloates

From: Evaluation of sensitivity and specificity of ELISA against Widal test for typhoid diagnosis in endemic population of Kathmandu

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 %)