Table 2.
Characteristics | Shorter group | Longer group | P-value |
---|---|---|---|
Gender | |||
Male | 8 | 4 | 0.829 |
Female | 5 | 2 | |
Age at diagnosis | |||
Mean ± SD | 41.42±14.34 | 39.29±3.63 | 0.876 |
Age at HLH | |||
Mean ± SD | 42.37±13.82 | 41.82±5.08 | 0.876 |
ECOG | |||
0–1 | 5 | 4 | 0.252 |
2–3 | 8 | 2 | |
Ann Arbor stage | |||
I + II | 10 | 4 | 0.637 |
III + IV | 3 | 2 | |
LDH level before HLH | |||
Normal | 6 | 3 | 1 |
Elevated | 4 | 2 | |
Subtypes | |||
UNKTL | 7 | 4 | 0.599 |
EUNKTL | 6 | 2 | |
EBER positive | |||
Yes | 6 | 4 | 0.428 |
No | 1 | 0 | |
Cutaneous involvement | |||
Yes | 6 | 3 | 0.876 |
No | 7 | 3 | |
Anemia | |||
I/II | 7 | 4 | 0.599 |
III/IV | 6 | 2 | |
Splenomegaly | |||
Yes | 12 | 1 | <0.001 |
No | 0 | 5 | |
Ferritin (ng/mL) | |||
≥500 | 1 | 4 | 0.121 |
<500 | 1 | 0 | |
Fibrinogen (g/L) | |||
≤1 | 6 | 0 | 0.026 |
>1 | 3 | 4 | |
Triglycerides (mmol/L) | |||
≥3.0 | 6 | 1 | 0.091 |
<3.0 | 4 | 5 | |
Thrombocytopenia | |||
I/II | 4 | 3 | 0.419 |
III/IV | 9 | 3 | |
LDH at HLH (U/L) | |||
>1,000 | 8 | 0 | 0.007 |
≤1,000 | 4 | 6 |
Abbreviations: EBER, EBV-encoded RNA; ECOG, Eastern Cooperative Oncology Group; EUNKTL, extra-upper aerodigestive tract NK/T-cell lymphoma; HLH, hemophagocytic lymphohistiocytosis; LDH, lactic dehydrogenase; NK, natural killer; NKPI, NK/T-cell lymphoma prognostic index; UNKTL, upper aerodigestive tract NK/T-cell lymphoma.