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Table 2 Simulation results

From: Investigating interventions to increase uptake of HIV testing and linkage into care or prevention for male partners of pregnant women in antenatal clinics in Blantyre, Malawi: study protocol for a cluster randomised trial

 

First stage

 

Simulations in which arm was dropped at interimc

Assumed

Study arm

aProportion

SDb

Proportion

Proportiond

1 Standard of care

0.250

0.048

NA

0.250

2 Intervention

0.291

0.055

0.441

0.290

3 Intervention

0.299

0.058

0.336

0.300

4 Intervention

0.310

0.059

0.215

0.310

5 Intervention

0.321

0.061

0.114

0.320

6 Intervention

0.400

0.078

0.000

0.400

  1. Exact intervention not specified here as there is no evidence about a particular one of the 5 interventions being investigated
  2. SD standard deviation
  3. aProportion of male partners linked to care or prevention
  4. bAssumed (0.050, 0.058, 0.060, 0.062, 0.064, 0.080) in arms 1–6, respectively
  5. cScenarios assumed for the 6 trial arms at the start
  6. dIf p value was > 0.2 at interim analysis, discontinued from recruitment