Tabela I. Hysteroslpingography as a diagnostic test in comparison to hysteroscopya
Hysteroscopy Total
Altered Normal
Hysterosalpingography Altered 46 24 70
Normal 42 137 179
Total 88 161 249

ª Sensitivity=52.3%; specificity=85. 1 %; postive predictive value=65. 7%; negative predictive value=76,5%; false negative results=47,7%