Table 3. Relationship between HyFoSy tubal occlusion (unilateral or bilateral tubal occlusion) and the presence of Chlamydia infection stratified by the median patient age.5 0.89 0.5 0.89 ≥ 33 yearsNegativePositive 11.61 -[0.24; 10.90] -0.623 (χ2 test) 29.340.0 0.14 0.91 0.4 0.71 PPV: Positive predictive value; NPV: Negative predictive valueIC95%: 95% Confidence Interval
Tubal occlusion HyFoSy
OR [IC95%] p-value % Sensitivity Specificity PPV NPV
Total
Negative
Positive
1
2.94

-
[0.79; 11.00]

-
0.098 (χ2 test)
22.1
45.5
0.25 0.90 0.45 0.78
< 33 years
Negative
Positive
1
8.00
-
[1.08; 59.16]
-
0.025 (χ2 test)
11.1
50.0
0.5 0.89 0.5 0.89
≥ 33 years
Negative
Positive
1
1.61
-
[0.24; 10.90]
-
0.623 (χ2 test)
29.3
40.0
0.14 0.91 0.4 0.71

PPV: Positive predictive value; NPV: Negative predictive value
IC95%: 95% Confidence Interval