Table 2 Correlation between mast cell infiltration and clinicopathologic factors

From: Decreased number of mast cells infiltrating into needle biopsy specimens leads to a better prognosis of prostate cancer

Clinicopathologic factors

Number of patients (%)

Mast cell count Mean (s.e.) a

P -value

Age (years)

 <70

51 (49%)

20.35 (13.25)

NS

70

53 (51%)

20.11 (11.83)

 

PSA b (ng/ml)

 <20

54 (51.9%)

18.59 (10.08)

NS

20

50 (48.1%)

21.74 (14.29)

 

Gleason score (GS)

 GS6

49 (44.2%)

15.80 (8.03)

<0.05c

 GS=7

29 (27.9%)

20.98 (13.94)

<0.001d

 GS8

26 (25.0%)

27.74 (14.25)

<0.05e

Clinical T stage

T2

66 (63.4%)

17.30 (8.26)

<0.001

T3

38 (36.5%)

25.10 (16.39)

 

PSA failure

 +

30 (28.8%)

27.56 (15.70)

<0.001

 −

74 (71.2%)

16.67 (8.69)

 
  1. NS, not significant.
  2. aStandard error.
  3. bProstate-specific antigen.
  4. cGS6 vs GS=7.
  5. dGS6 vs GS8.
  6. eGS=7 vs GS8.