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Table 1 Patient and control baseline characteristics

From: Impact on quality of life 3 years after diagnosis of prostate cancer patients below 75 at diagnosis: an observational case-control study

Population description p-value
  Patients N = 376 Controls N = 188
Age (years) 67.9 ± 5.8 67.9 ± 5.8  
BMI (kg/m2)
Missing data
26.7 ± 3.4
6
26.6 ± 3.8
3
0.70
PSA levels (ng/ml)
Missing Data
0.03 [0.01–0.2]
15
1.52 [0.75–3.11]
55
 
Educational level
Secondary school 161 (43.4%) 84 (45.7%) 0.26
University 121 (32.6%) 67 (36.4%)
Post-graduate 89 (24%) 33 (17.9%)
Missing 5 4
Living alone 28 (7.6%) 19 (10.3%) 0.27
Marital status    0.29
Single 15 (4%) 6 (3.2%)
Married / in couple 333 (89%) 161 (86.6%)
Separated 16 (4.3%) 8 (4.3%)
Widowed 10 (2.7%) 11 (5.9%)
Missing data 2 2
Monthly income    
0 to 750 € 12 (3.4%) 4 (2.2%) 0.81
750 to 1500 € 30 (8.5%) 17 (9.4%)
1500 to 3000 € 149 (42%) 80 (44.4%)
  > 3000 € 164 (46.2%) 79 (43.9%)
Missing data 21 8
Chronic disease   0.33
None 150 (42.6%) 66 (38.2%)
At least one 202 (57.4%) 107 (61.9%)
Missing data 24 15
Regular medication
Missing data
256 (70%)
10
134 (72.8%)
4
0.48
Treatment strategy at diagnosis*
Active surveillance 61 (16.2%)  
Radical prostatectomy 258 (68.6%)  
Chemotherapy 15 (4%)  
EBRT 90 (23.9%)  
Brachytherapy or HIFU 52 (13.8%)  
Androgen deprivation therapy 26 (6.9%)  
Missing data 5  
Patient in active employment at diagnosis
Missing data
71 (19%)
3
 
Patient in active employment at time of questionnaire
Missing data
50 (13.5%)
5
 
  1. Data are given as average ± standard deviation, median [IQR] or number (%) as appropriate. HIFU High Intensity Focused Ultrasound, EBRT external beam radiotherapy
  2. *Certain patients received combined treatments