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Table 1 Characteristics of the 90 BM patients analyzed

From: Prognostic indices in stereotactic radiotherapy of brain metastases of non-small cell lung cancer

Characteristics No./median (range) %
Sex (m/f) 57/33 63.3 %/36.7 %
Age (y) 63.3 (38.9–83)  
KPS
 100 6 6.7 %
 90 12 13.3 %
 80 25 27.8 %
 70 21 23.3 %
 60 6 6.7 %
 50 7 7.8 %
 n/a 13 14.4 %
Histology
 Adenocarcinoma 55 61.1 %
 Squamous cell carcinoma 19 21.1 %
 Large cell carcinoma 6 6.7 %
 Other 8 8.9 %
 n/a 2 2.2 %
UICC stage at time of first diagnosis
 I 5 5.6 %
 II 7 7.8 %
 III 7 7.8 %
 IV 67 74.4 %
 n/a 4 4.4 %
Synchronous BM 42 46.7 %
ECM 51 56.7 %
Number of treated lesions
 1 55 61.1 %
 2 24 26.7 %
 ≥ 3 11 12.2 %
Total BM volume (PTV) per patient (ccm) 2.32 (0.2–45.2)  
Highest BED10 per patient 91.14 (20.98–97.36)  
Fractionation
 SRS 108 78.8 %
 FSRT 28 20.4 %
 n/a 1 0.7 %
Localization
 Temporal lobe 15 10.8 %
 Occipital lobe 29 20.9 %
 Parietal lobe 34 24.5 %
 Frontal lobe 28 20.1 %
 Cerebellum 21 15.1 %
 Brainstem 5 3.6 %
 Basal ganglia 4 2.9 %
 n/a 3 2.2 %
Salvage WBRT 13 14.4 %
Salvage SRS or FSRT 10 11.1 %
Salvage resection 5 5.6 %
  1. n/a not available