Skip to main content

Table 1 Patient characteristics

From: Repeated stereotactic body radiotherapy for oligometastatic prostate cancer recurrence

Characteristics All patients (n = 50)
Age at diagnosis (yrs)  
Median (IQR) 59 (55–62)
Follow-up from PCa diagnosis (yrs)  
Median (IQR) 7.8 (5.3-10.5)
Primary therapy  
Radical prostatectomy alone 6 (12%)
Radical prostatectomy with postoperative RT 22 (44%)
Radical prostatectomy with postoperative RT + ADT 14 (28%)
Radiotherapy + ADT 6 (12%)
Radiotherapy alone 2 (4%)
PSA at initial diagnosis (ng/ml)  
Mean (range) 16 (3.5-81)
Median (IQR) 10.4 (7–16.9)
Prognostic grouping  
Low 1 (2%)
Intermediate 16 (32%)
High 19 (38%)
Very high 14 (28%)
Interval from diagnosis to metastases (yr)  
Mean (range) 5.3 (0.2 – 15)
Median (IQR) 4.8 (2.9 – 7.3)
PSA level at first documented metastases (ng/ml)  
Mean (range) 10.9 (0.2 – 117)
Median (IQR) 5.1 (2.0 – 8.6)
PSA DT at first documented metastases (mo)  
Mean (range) 6.0 (1 – 30)
Median (IQR) 3.8 (3.0 – 6.9)
Number of lesions at diagnosis of metastases  
1 metastasis 37 (74%)
2 metastases 8 (16%)
3 metastases 6 (12%)
Primary site of metastases  
Lymph nodes  
 Pelvic 24 (50%)
 Obturator 1 (2%)
 Internal iliac 6 (12%)
 External iliac 10 (20%)
 Presacral 2 (4%)
 Common iliac 3 (6%)
 Combination of nodal sites 2 (4%)
 Extrapelvic 1 (2%)
 Both 2 (4%)
Bones  
 Axial 8 (16%)
 Appendicular 11 (22%)
 Both 3 (6%)
Viscera  
 Liver 1 (2%)
Treatment at time of metastases (%)  
SBRT 10 × 5 Gy + 1 mo ADT 35 (70%)
SBRT 3 × 10 Gy 15 (30%)
  1. Abbreviations: yr year, mo months, IQR interquartile range.