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Table 1 Comparing checklist results to dipstick pregnancy test.

From: Excluding pregnancy among women initiating antiretroviral therapy: efficacy of a family planning job aid

Checklist

Dipstick Test

Total

 

Pregnant

Not Pregnant

 

Pregnancy not ruled out

20

314

334

Pregnancy ruled out

2

198

200

Total

22

512

534

  1. Negative predictive value: 198/200 × 100 = 99.0% Positive predictive value:20/334 × 100 = 6.0%
  2. Sensitivity:20/22 × 100 = 90.9% Specificity:198/512 × 100 = 38.7%
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BMC Public Health

ISSN: 1471-2458

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