Table 2

Association of Maspin expression with tumor differentiationa

DifferentiationTotal tumorsMaspin expression
Positive (%)Negative (%)
Well9526 (27.4)69 (72.6)
Moderate5825 (43.1)33 (56.9)
Poor4021 (52.5)19 (47.5)
  • a P = 0.003 for the Mantel-Haenszel χ2 test for trend. P = 0.033 adjusting for age, race, pretreatment PSA, and pathological stage.