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Table 3 Proportion of new STI patients who were 'HIV tested', 'offered HIV testing' and 'declined HIV testing' in the intervention and control groups.

From: The impact of provider-initiated (opt-out) HIV testing and counseling of patients with sexually transmitted infection in Cape Town, South Africa: a controlled trial

  Intervention
N = 7
Control
N = 14
P value
*(p < 0.05)
HIV tested
(% of total STI patients tested for HIV)
56.4% (CI: 49.4-63.2) 42.7% (CI: 31.4-53.8) 0.037*
Clinic range 39 to 71.1% 7.5 to 80.6% 0.033*
Offered HIV testing
(% of total STI patients offered HIV testing)
76.8%
(CI: 68.8 to 84.0)
50.7%
(CI: 34.3 to 72)
0.0029*
Clinic range 63% to 84%% 7.8% to 92.1% 0.0076*
Declined HIV testing**
(% of STI patients offered , but declined testing)
26.7%
(CI:18.70 to 4.7)
13.5%
(CI: 7.6 to 19.4)
0.0086*
Clinic range Range: 14 to 38% Range: 0 to 33% 0.71
  1. **Two-sided t-test since no direction was hypothesized.