Sensitivity | Specificity | PPV | NPV | LR(+) | |
---|---|---|---|---|---|
All | 93.2 (80.3–98.2) | 81.7 (77.9–82.6) | 15.2 (11.2–20.2) | 99.7 (98.9–99–9) | 5.1 |
Men | 95.5 (75.1–99.2) | 81.0 (77.5–84.0) | 15.8 (10.3–23.4) | 99.8 (98.7–99–9) | 5.0 |
Women | 90.9 (69.4–98.4) | 82.4 (79.1–85.2) | 15.4 (9.9–23.0) | 99.6 (98.5–99.9) | 5.2 |
Cuernavaca and Mexico City, 2011.
*Compared to urinary cotinine concentration (cut-off 50 ng/mL).
LR(+) positive likelihood ratio; NPV, negative predictive value; PPV, positive predictive value.