Association of ABO Blood Types and Clinicopathological Features of Prostate Cancer

Table 1

Baseline characteristics of the study population according to the risk of PC.

Variables	All subjects ()	Low–middle risk ()	High risk ()	value
Demographic Characteristics
Age (years)	70.7 ± 7.9	70.1 ± 6.6	70.8 ± 8.2	0.61
BMI (𝑛 (%))				0.231
<25	138 (58.2)	29 (67.4)	109 (56.2)
≥25	99 (41.8)	14 (32.6)	85 (43.8)
Hypertension (𝑛 (%))	85 (35.9)	13 (30.2)	72 (37.1)	0.483
Diabetes mellitus (𝑛 (%))	37 (15.6)	7 (16.3)	30 (15.5)	0.894
Coronary artery disease (𝑛 (%))	38 (16.0)	5 (11.6)	33 (17.0)	0.494
Clinicopathological characteristics
PSA (ng/ml)
PSA ≤ 100 (ng/ml)	30.4 ± 26.3	10.4 ± 4.9	38.6 ± 27.1	<0.001
PSA > 100 (𝑛 (%))	87 (36.7)	0 (0)	87 (45.5)	<0.001
Gleason score	8.1 ± 1.3	6.4 ± 0.5	8.5 ± 1.1	<0.001
Stage				<0.001
T1	12 (5.1)	10 (23.3)	2 (1.0)
T2a	31 (13.1)	15 (34.9)	16 (8.2)
T2b	50 (21.1)	18 (41.9)	32 (16.5)
T2c	34 (14.3)	0 (0)	34 (17.5)
T3	77 (32.5)	0 (0)	77 (39.7)
T4	33 (13.9)	0 (0)	33 (17.0)
N				<0.001
N0	160 (67.5)	43 (100)	117 (60.3)
N1	77 (32.5)	0 (0)	77 (39.7)
M				<0.001
M0	147 (62.0)	43 (100)	104 (53.6)
M1	90 (38)	0 (0)	90 (46.4)
ABO type, n (%)				0.086
O	69 (29.1)	19 (27.5)	50 (72.5)
A	66 (27.8)	9 (13.6)	57 (86.4)
B	79 (33.3)	13 (16.5)	66 (83.5)
AB	23 (9.7)	2 (8.7)	21 (91.3)
O/non-O group, n (%)				0.025
O	69 (29.1)	19 (27.5)	50 (72.5)
non-O	168 (70.9)	24 (14.3)	144 (85.7)
Surgery, n (%)
Radical prostatectomy	47 (19.8)	19 (44.2)	28 (14.4)	<0.001
Bilateral orchiectomy	56 (23.6)	0 (0)	56 (28.9)	<0.001

Data are expressed as n (%) or mean ± SD. PC = prostate cancer; BMI = body mass index; PSA = prostate-specific antigen.