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Table 1 Observed (O) to Expected (E) ratio of multiple infections with 44 HPV types, according to various models

From: Clustering patterns of human papillomavirus infections among HIV-positive women in Kenya

    Basic model Adjusted model Full model
No of HPV types O % E1 O/E (95% CI)1 E2 O/E (95% CI)2 E3 O/E (95% CI)3
0 162 32.5 122.8 1.32 (1.20-1.46) 131.5 1.23 (1.11-1.35) 163.1 0.99 (0.90-1.09)
1 145 29.1 175.2 0.83 (0.81-0.85) 168.7 0.86 (0.84-0.89) 151.2 0.96 (0.92-1.00)
2 103 20.7 121.4 0.85 (0.81-0.89) 114.0 0.90 (0.86-0.96) 92.3 1.12 (1.03-1.21)
3+ 88 17.7 78.6 1.13 (0.98-1.29) 82.8 1.07 (0.93-1.22) 90.4 0.98 (0.87-1.11)
  1. O = Observed, E = Expected, CI = Credible Interval.
  2. 1Controlling for age, specific HPV prevalence.
  3. 2Controlling for age, specific HPV prevalence, CD4 counts, cART and interaction term between CD4 and cART.
  4. 3As2 plus individual random effects.
  5. 3+ means 3 HPV types or more.