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Table 1 Socio-demographic and pathologic characteristics

From: A comparison of clinicopathologic features of prostate cancer between Nigerian and South African black men

Variables Country Total N = 234 (%) P values
Nigeria South Africa
n = 117 (%) n = 117 (%)
Age (years) 67.0 (61.50–73.77)¥ 66.0 (60.81–72.40)¥   
Marital status      < 0.001
 Married 117 (100.0) 76 (65.0) 193 (82.5)  
 Single 0 (0.0) 27 (23.0) 27 (11.5)  
 Others# 0 (0.0) 14 (12.0) 14 (6.0)  
Occupation*      < 0.001
 Non-office/environmental contact 32 (27.3) 21 (18.3) 53 (22.8)  
 Office/administrative/white collar 35 (30.0) 10 (8.7) 45 (19.4)  
 Retired and unemployed 50 (42.7) 84 (73.0) 134 (57.8)  
Urban/rural      < 0.001
 Rural 61 (52.1) 26 (22.2) 87 (37.2)  
 Urban 56 (47.9) 91 (77.8) 147 (62.8)  
Hypertension     0.186
 Yes 45 (38.5) 55 (47.0) 100 (42.7)  
 No 72 (61.5) 62 (53.0) 134 (57.3)  
Diabetes     1.000
 Yes 19 (16.2) 19 (16.2) 38 (16.2)  
 No 98 (83.8) 98 (83.8) 196 (83.8)  
BPH     0.001
 Yes 16 (13.7) 2 (1.7) 18 (7.7)  
 No 101 (86.3) 115 (98.3) 216 (92.3)  
Smoking history     0.001
 Yes 14 (12.0) 34 (29.0) 48 (20.5)  
 No 103 (88.0 83 (71.0) 186 (79.5)  
Alcohol     0.549
 Yes 28 (24.0) 32 (27.4) 60 (25.6)  
 No 89 (76.0) 85 (72.6) 174 (74.4)  
 PSA (ng/ml) 52.8 (18.65–298.15) ¥ 47.8 (11.36–492.40) ¥   
Histopathology variant     0.156
 Adenocarcinoma 117 (100.0) 115 (98.3) 232 (99.1)  
 Squamous cell carcinoma 0 (0.0) 2 (1.7) 2 (0.9)  
Gleason score     0.002
 2–6 12 (10.3) 25 (21.4) 37 (15.8)  
 7 19 (16.2) 17 (14.5) 36 (15.4)  
 8–10 86 (73.5) 75 (64.1) 161 (68.8)  
T-staging      < 0.001
 Tx, T1–T2a 15 (12.8) 44 (37.6) 59 (25.2)  
 T2b 0 (0.0) 5 (4.3) 5 (2.1)  
 T2c–T4 102 (87.2) 68 (58.1) 170 (72.7)  
M-staging [distant metastases only (M1b-c)]      <0.001
  27 (65.9) 14 (34.1) 41 (100)  
  1. ¥Median (interquartile range)
  2. *No job records for two South Africans
  3. #Widowed or divorced