Table 2: Staining for CD44 in neoplastic cells stratified into negative (0–3) and positive (4–6).

FactorCD44-negativeCD44-positive valueOR (95% CI)

PSA
<1035 (61.4%)7 (87.5%)0.2420.227
≥1022 (38.6%)1 (12.5%)(0.026–1.975)
Gleason score
≤631 (54.4%)6 (75.0%)0.4490.397
≥726 (45.6%)2 (25.0%)(0.074–2.139)
Tumor stage
pT242 (73.7%)7 (87.5%)0.6680.400
pT315 (26.3%)1 (2.5%)(0.045–3.527)
Surgical margins
Free34 (59.6%)6 (75.0%)0.4710.493
Compromised23 (40.4%)2 (25.0%)(0.091–2.659)
BR
Absent22 (68.7%)20 (69.0%)1.00.990
Present10 (32.3%)9 (31.0%)(0.334–2.930)

PSA = prostatic specific antigen; BR = biochemical recurrence; OR (95% CI) = odds ratio and 95% confidence interval; percentage. The level of significance was evaluated with Fisher’s exact test.