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Table 2 Pretherapeutic patients` characteristics

From: HDMTX-based induction therapy followed by consolidation with conventional systemic chemotherapy and intraventricular therapy (modified Bonn protocol) in primary CNS lymphoma: a monocentric retrospective analysis

Age
- Median (range 38–83) 67  
- <  65 38 39%
- ≥ 65 60 61%
Sex
- Male 45 46%
- Female 53 54%
Surgery
- Stereotactic biopsy 60 61%
- Open biopsy 19 19%
- Partial resection 5 5%
- Complete resection 11 11%
- Vitreal cytology 2 2%
- CSF cytology 1 1%
Neuropathologial Diagnosis
- Diffuse large-cell B-cell lymphoma 92 94%
- Lymphoma, not specified 6 6%
- Other 0  
CSF diagnostic
- elevated cell count 26/82 32%
- elevated CSF protein 45/80 56%
- lymphoma cells in CSF cytology 10/74 14%
- lymphoma cells in flow cytometry 3/53 6%
Karnofsky-Performance Score
- median (range 20–100) 60  
- ≥ 70 45 46%
- <  70 53 54%
MSKCC Score
- ≤ 50 years 9 9%
- >  50 years/KPS ≥ 70 39 40%
- >  50 years/KPS ≥ 70 50 51%
IELSG Score
- score 0–1 11/74 15%
- score 2–3 40/74 54%
- score 4–5 23/74 31%