Table 2.
Patient Demographics and Clinical Characteristics at PCNSL Diagnosis
| Characteristic | No. of Patients | % |
|---|---|---|
| No. of patients | 149 | |
| Sex | ||
| Male | 71 | 47.6 |
| Female | 78 | 52.4 |
| Age, years | ||
| Mean | 54.5 | |
| SD | 15.5 | |
| < 60 | 78 | 52.4 |
| ≥ 60 | 71 | 47.6 |
| KPS | ||
| Mean | 69.4 | |
| SD | 20.3 | |
| ≥ 70 | 86 | 57.7 |
| < 70 | 63 | 42.3 |
| Disease site | ||
| CNS | 131 | 87.9 |
| CNS and intraocular | 15 | 10.1 |
| Intraocular only | 3 | 2.0 |
| CSF cytology | ||
| Negative | 96 | 64.4 |
| Atypical/suspicious | 14 | 9.4 |
| Positive | 11 | 7.4 |
| Unknown | 28 | 18.8 |
| Surgical resection | ||
| No | 88 | 59.1 |
| Yes | 61 | 40.9 |
| Vitrectomy | ||
| No | 138 | 92.6 |
| Yes | 11 | 7.4 |
Abbreviations: PCNSL, primary CNS lymphoma; KPS, Karnofsky performance score; SD, standard deviation.