| Clinical index | EBV-T/NK-LPDs (n = 21) | CAEBV (n = 9) | HV-LPD (n = 8) | CSEBV + TCL (n = 4) |
General information | Sex (Boy: Girl) | 4:3 | 7:2 | 1:3 | 3:1 |
| Age of onset > 8 years | 12 | 7 | 3 | 2 |
Manifestation | Fever | 17 | 7 | 6 | 4 |
| Lymphadenopathy | 11 | 5 | 2 | 4 |
| Hepatomegaly | 15 | 7 | 4 | 4 |
| Splenomegaly | 14 | 7 | 3 | 4 |
| rash | 10 | 2 | 8 | 0 |
| facial swelling | 6 | 1 | 5 | 0 |
Laboratory examination | Pancytopenia | 10 | 4 | 4 | 3 |
| Thrombocytopenia | 11 | 4 | 4 | 3 |
| Abnormal liver function | 9 | 4 | 4 | 1 |
| Bilirubin disorder | 7 | 2 | 4 | 1 |
| LDH increased | 11 | 5 | 4 | 2 |
| Coagulation disorders | 7 | 2 | 3 | 2 |
| Abnormal renal function | 3 | 2 | 1 | 0 |
Classification | T cell type | 16 | 9 | 3 | 4 |
Complication | HLH | 7 | 3 | 2 | 2 |
Prognosis | Death | 16/20 (80%) | 6/8 (75%) | 6/8 (75%) | 4/4 (100%) |