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Table 1 Distribution of characteristics in patients with poor survival prognoses

From: 1x8 Gy versus 5x4 Gy for metastatic epidural spinal cord compression: a matched-pair study of three prognostic patient subgroups

  8 Gy × 1
N patients (%)
4 Gy × 5
N patients (%)
Age
 ≤65 years (N = 78) 39 (50) 39 (50)
 ≥66 years (N = 78) 39 (50) 39 (50)
Gender
 Female (N = 36) 18 (23) 18 (23)
 Male (N = 120) 60 (77) 60 (77)
ECOG Performance status
 1–2 (N = 26) 13 (17) 13 (17)
 3–4 (N = 130) 65 (83) 65 (83)
Type of primary tumor
 Breast cancer (N = 12) 6 (8) 6 (8)
 Prostate cancer (N = 36) 18 (23) 18 (23)
 Myeloma/lymphoma (N = 0) 0 (0) 0 (0)
 Lung cancer (N = 46) 23 (29) 23 (29)
 Unknown primary (N = 32) 16 (21) 16 (21)
 Other tumors (N = 30) 15 (19) 15 (19)
Involved vertebrae (n)
 1–2 (N = 34) 17 (22) 17 (22)
 ≥3 (N = 122) 61 (78) 61 (78)
Other bone metastases
 No (N = 34) 17 (22) 17 (22)
 Yes (N = 122) 61 (78) 61 (78)
Visceral metastases
 No (N = 36) 18 (23) 18 (23)
 Yes (N = 120) 60 (77) 60 (77)
Interval from tumor diagnosis to MESCC
 ≤ 15 months (N = 136) 68 (87) 68 (87)
 > 15 months (N = 20) 10 (13) 10 (13)
Pre-RT ambulatory status
 Not ambulatory (N = 110) 55 (71) 55 (71)
 Ambulatory (N = 46) 23 (29) 23 (29)
Time developing motor deficits
 1–7 days (N = 110) 55 (71) 55 (71)
 8–14 days (N = 30) 15 (19) 15 (19)
 > 14 days (N = 16) 8 (10) 8 (10)