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Table 2 Cross-tables and degree of agreement between the different diagnostic tests. TL = immune trypanolysis, GST = Giemsa stained thin smear, FGT = formol gel test, TL = immune trypanolysis, CATT = CATT/T. evansi, ELISA = ELISA/VSG RoTat 1.2, pos = positive, neg = negative, CI = 95 % confidence interval, k = kappa with the following interpretation of agreement: <0 = poor, 0–0.2 = slight, 0.21-0.4 = fair, 0.41-0.6 = moderate, 0.61-0.8 = substantial, 0.81-1 = almost perfect

From: Parasitological, serological and molecular survey of Trypanosoma evansi infection in dromedary camels from Cholistan Desert, Pakistan

  

FGT

CATT

ELISA

TL

TBR1/2

RoTat 1.2

  

pos

Neg

pos

neg

pos

neg

pos

neg

pos

neg

pos

neg

GST

pos

7

0

7

0

1

6

7

0

7

0

7

0

 

neg

396

602

472

526

443

555

394

604

314

684

300

698

 

k (95 % CI)

0.02 (0–0.096)

0.02 (0–0.080)

<0

0.02 (0–0.096)

0.03 (0–0.119)

0.03 (0–0.123)

FGT

pos

  

222

181

164

239

192

211

114

289

113

290

 

neg

  

257

345

280

322

209

393

207

395

194

408

 

k (95 % CI)

  

0.12 (0.058-0.182)

<0

 

0.13 (0.066-0.193)

<0

<0

CATT

pos

    

301

178

299

180

157

322

152

327

 

neg

    

143

383

102

424

164

362

155

371

 

k (95 % CI)

   

0.36 (0.300-0.416)

0.43 (0.378-0.490)

0.02 (0–0.079)

0.02 (0–0.086)

ELISA

pos

      

310

134

142

302

137

307

 

neg

      

91

470

179

382

170

391

 

k (95 % CI)

    

0.54 (0.489-0.594)

0.00 (0–0.065)

0.01 (0–0.070)

TL

pos

        

136

265

131

270

 

neg

        

185

419

176

428

 

k (95 % CI)

     

0.04 (0–0.100)

0.04 (0–0.103)

TBR1/2

pos

          

307

14

 

neg

          

0

684

 

k (95 % CI)

      

0.97 (0.951-0.985)