Table 5

Sensitivity analyses



Univariate odds ratio (95% CI)
Predictive accuracy (AUC)



Definition of advanced cancer
Number of cases/controls
Total PSA (ng/ml)
Free to total PSA (%)
Total PSA (ng/ml)
Free to total PSA (%)
Multivariable model

Metastases or ≥ T3
161/436
4.29 (2.98, 6.18)
0.92 (0.89, 0.95)
0.791
0.641
0.785
Less inclusive*
62/163
3.02 (1.87, 4.90)
0.90 (0.84, 0.95)
0.762
0.674
0.751
More inclusive†
190/512
4.05 (2.89, 5.67)
0.92 (0.89, 0.95)
0.782
0.645
0.780

* Presence of skeletal metastases at time of diagnosis.

† Presence of any of the following criteria at time of diagnosis: skeletal metastasis, clinical stage at least T3, positive lymph node, WHO grade III.

Ulmert et al. BMC Medicine 2008 6:6   doi:10.1186/1741-7015-6-6