Table 1 Demographic data of study participants stratified by haptoglobin (HP) phenotypes.

From: Haptoglobin polymorphism and prostate cancer mortality

 

Hp1-1

Hp1-2

Hp2-2

p

n

76

314

300

 

Age at diagnosis (years)

67.7 ± 6.8

68.6 ± 7.0

67.8 ± 7.2

0.31

Stage

T1/T2

36 (50.7)

161 (56.7)

151 (54.9)

0.66

T3/T4

35 (49.3)

123 (43.3)

124 (45.1)

 

Gleason score

< 7

47 (61.8)

192 (61.3)

175 (58.3)

0.71

≥ 7

29 (38.2)

121 (38.7)

125 (41.7)

 

PSA at diagnosis

< 10

31 (42.5)

170 (56.5)

162 (56.6)

0.16

10–20

22 (30.1)

75 (24.9)

62 (21.7)

 

> 20

20 (27.4)

56 (18.6)

62 (21.7)

 

Risk group

Low

10 (13.2)

61 (19.4)

64 (21.3)

0.43

Intermediate

21 (27.6)

87 (27.7)

70 (23.6)

 

High

45 (59.2)

166 (52.9)

166 (53.3)

 

Death during follow-up

21 (27.6)

110 (35.0)

120 (40.0)

0.108

  1. Data are presented as mean ± standard deviation, or number of subjects (percentage). Gleason score was available for 689 (99.9%) subjects, PSA at first diagnosis was available for 660 (95.7%) subjects and stage data were available for 630 (91.3%) subjects.