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Table 4 Comparison of case finder screening to AVIVA expert reviewers’ confirmation

From: Cervical cancer screening and treatment for PLWHIV: experiences from an innovative program in Nigeria

Variable (s)

AVIVA reviewer's report

Predictive value (%)

Negative

Positive

Total

Freq (%)

Freq (%)

Case finder CIN screening results using VIA

    

Negative

158 (84.5)

29 (15.5)

187

NPV = 84.5

Positive

63 (58.3)

45 (41.7)

108

PPV = 41.7

Total

221 (74.9)

74 (25.1)

295

 

Accuracy (%)

Specificity = 71.5

Sensitivity = 60.8

  
  1. Overall accuracy of case finder screening test = TN + TP/Overall total = 68.8%