Table 1 Characteristics of the enrolled 46 patients
Characteristics | Infant group (n = 18) | Non infant group (n = 30) | Fisher or t test | P = |
|---|---|---|---|---|
Sex | ||||
Male | 11 | 17 | > 0.9999 | |
Female | 7 | 13 | ||
WBC count | 153.49 ± 37.37 | 147.57 ± 29.82 | t = 0.1239, df = 36.80 | 0.9021 |
≥ 50 × 109/L | 14 | 20 | 0.5206 | |
< 50 × 109/L | 4 | 10 | ||
LDH (U/L) | 1114.13 ± 202.13 | 940.96 ± 136.44 | t = 0.7101, df = 32.11 | 0.4828 |
≥ 2 N | 13 | 18 | 0.5358 | |
< 2 N | 5 | 12 | ||
Extramedullary involvement | ||||
Negative | 12 | 28 | 0.0396 | |
Positive (CNSL, TL) | 6 (2,4) | 2 (1,1) | ||
KMT2Ar distribution | ||||
KMT2A-AFF1 | 10 | 14 | 0.7661 | |
Non KMT2A-AFF1 | 8 | 16 | ||