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Table 3.

Comparison of observed numbers of coinfections with Poisson expected frequencies (n = 1,129)

Number of InfectionsOverall
HIV (−)
HIV (+)
Observed (expected)O/E (95% CI)*Observed (expected)O/E (95% CI)*Observed (expected)O/E (95% CI)*
702 (594.53) 1.18 (1.09-1.27) 561 (508.95) 1.10 (1.01-1.19) 141 (98.62) 1.42 (1.21-1.68) 
257 (381.27) 0.67 (0.59-0.76) 196 (263.41) 0.74 (0.64-0.85) 61 (101.13) 0.60 (0.49-0.77) 
96 (122.25) 0.78 (0.64-0.95) 59 (68.19) 0.86 (0.67-1.11) 37 (51.85) 0.71 (0.52-0.98) 
41 (26.13) 1.56 (1.15-2.13) 25 (11.75) 2.12 (1.43-3.14) 16 (17.72) 0.90 (0.55-1.47) 
≥4 33 (4.77) 6.91 (4.76-9.71) 13 (1.67) 7.78 (4.14-13.31) 20 (5.64) 3.54 (2.16-5.47) 
Total 1,129 (1,129)  854 (854)  275 (275)  
χ2 (4 df786.836  115.630 — 589.277  
P P < 0.001  P < 0.001  P < 0.001  
Number of InfectionsOverall
HIV (−)
HIV (+)
Observed (expected)O/E (95% CI)*Observed (expected)O/E (95% CI)*Observed (expected)O/E (95% CI)*
702 (594.53) 1.18 (1.09-1.27) 561 (508.95) 1.10 (1.01-1.19) 141 (98.62) 1.42 (1.21-1.68) 
257 (381.27) 0.67 (0.59-0.76) 196 (263.41) 0.74 (0.64-0.85) 61 (101.13) 0.60 (0.49-0.77) 
96 (122.25) 0.78 (0.64-0.95) 59 (68.19) 0.86 (0.67-1.11) 37 (51.85) 0.71 (0.52-0.98) 
41 (26.13) 1.56 (1.15-2.13) 25 (11.75) 2.12 (1.43-3.14) 16 (17.72) 0.90 (0.55-1.47) 
≥4 33 (4.77) 6.91 (4.76-9.71) 13 (1.67) 7.78 (4.14-13.31) 20 (5.64) 3.54 (2.16-5.47) 
Total 1,129 (1,129)  854 (854)  275 (275)  
χ2 (4 df786.836  115.630 — 589.277  
P P < 0.001  P < 0.001  P < 0.001  

NOTE: Values in boldface are statistically significant at P < 0.05.

*

Poisson 95% confidence intervals.

Exact Poisson 95% confidence intervals.

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