Table 3 Sensitivity and specificity of 'Unexpected genital bleeding' according to cancer diagnosis, with corresponding positive predictive values of cervical and uterine cancer
From: Symptoms and signs of urogenital cancer in primary care
N | Sensitivity (A) | Specificity | PPV | Sensitivity (B) | |||||
|---|---|---|---|---|---|---|---|---|---|
Females | All | 95% CI | 95% CI | All | 95% CI | All | 95% CI | ||
Cervical cancer | 10 | ||||||||
'Unexpected genital bleeding' and cancer (A): | 1 | 10.0% | 8.6–28,6 | < 0.1% | |||||
'Unexpected genital bleeding' and cancer (B): | 2 | 20.0% | 4.8–44.8 | ||||||
'Unexpected genital bleeding, without cancer: 195 patients | |||||||||
No 'Unexpected genital bleeding, no cancer: 60,967 patients | 99.7% | 99.6–99.7 | |||||||
Uterine body cancer | 14 | ||||||||
'Unexpected genital bleeding' and cancer (A): | 3 | 21.4% | < 0.1–42.9 | 1.5% | 0.2–3.1 | ||||
'Unexpected genital bleeding' and cancer (B): | 10 | 71.4% | 47.8–95.1 | ||||||