Table 1. Patient characteristics.
| Characteristic | Total (%) |
|---|---|
| Sex (male) | 31 (59.6) |
| Age (>60y) | 6 (11.5) |
| B symptoms (Yes) | 31 (59.6) |
| ECOG ≥ 2 | 15 (28.8) |
| LDH level > 245 U/L | 23 (44.2) |
| IPI score | |
| 0–1 | 38 (73.1) |
| 2–5 | 14 (26.9) |
| KPI score | |
| 0–2 | 34 (65.4) |
| 3–4 | 18 (34.6) |
| Ann Arbor Stage | |
| I/II | 34 (65.4) |
| III/IV | 18 (34.6) |
| Lesions | |
| UAT | 41 (78.8) |
| NUAT | 11 (21.2) |
| HLH | |
| Yes | 3 (5.8) |
| No | 49 (94.2) |
ECOG, Eastern Cooperative Oncology Group; IPI, International Prognostic Index; KPI, Korean prognostic index; UAT, upper aerodigestive tract; NUAT, non-upper aerodigestive tract; HLH, hemophagocytic lymphohistiocytosis.