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Table 2 Performance of adherence measures detecting missed doses: Wisepill versus seven-day recall, pill count as standard. (N = 21)*

From: Pilot evaluation of a second-generation electronic pill box for adherence to Bedaquiline and antiretroviral therapy in drug-resistant TB/HIV co-infected patients in KwaZulu-Natal, South Africa

  Self-reported adherence Wisepill adherence
Sensitivity (95% CI) 0% (0–70.8%) 100% (29.2–100%)
Specificity 100% (99.2–100%) 98.8% (97.3–99.6%)
  1. *21 patients with 489 possible adherence events. For Wisepill: 3 true positives, 6 false positives, 0 false negatives, 480 true negatives. For self-report: 0 true positives, 0 false positives, 3 false negatives, 486 true negatives