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Table 3 Stratum specific likelihood ratios for PSA test-result strata

From: Prostate-specific antigen testing accuracy in community practice

PSA range (ng/mL) Number of subjects SSLR (95% CI)
< 2 378 0.25 (0.19, 0.34)
≥ 2 – 4 313 0.69 (0.55, 0.87)
> 4 – 10 1302 0.96 (0.88, 1.04)
> 10 – 20 421 1.48 (1.24, 1.76)
> 20 206 6.34 (4.62, 8.70)
  1. Abbreviations: PSA = prostate-specific antigen. SSLR = stratum-specific likelihood ratio. CI = confidence interval.