| Affected group | Control group | P-value |
---|---|---|---|
(n = 14) | (n = 44) | ||
Age [year, median (range)] | 8.4 (3.0–15.0) | 6.8 (3.0–14.0) | 0.433 |
Male (n, %) | 10 (71.4) | 24 (54.5) | 0.356 |
WBC [×109/L, median (range)] | 51.8 (1.6–344.4) | 13.2 (0.8–189.6) | 0.001 |
Hemoglobin [g/L, median (range)] | 86.9 (58.0–135.0) | 86.0 (42.0–136.0) | 0.353 |
Platelet [×109/L, median (range)] | 58.6 (10.0–239.0) | 97.3 (9.0–321.0) | 0.061 |
blasts in BM (%) | 85.6 (63.5–96.5) | 71.8 (20.0–94.7) | 0.017 |
CNS involvement (CNS2/3) (n, %) | 2 (14.3) | 3 (6.8) | 0.585 |
Hepatosplenomegaly (n, %) | 4 (28.6) | 21 (47.7) | 0.235 |
Swollen lymph nodes (n, %) | 4 (28.6) | 15 (34.1) | 0.468 |
Immunophenotype | Â | Â | 0.673 |
 B-ALL | 11 (78.6) | 38 (86.4) |  |
 T-ALL | 3 (21.4) | 6 (13.6) |  |
Risk Group | Â | Â | 0.338 |
 low-risk (LR) | 7 (50.0) | 30 (68.2) |  |
 intermediate-risk (IR) | 7 (50.0) | 14 (31.8) |  |
Birth order | Â | Â | 0.802 |
 first born (n, %) | 10 (71.4) | 29 (65.9) |  |
 second child (n, %) | 3 (21.4) | 13 (29.5) |  |
 third and upper (n, %) | 1 (7.1) | 2 (4.5) |  |
Delivery | Â | Â | 0.568 |
 spontaneous delivery | 8 (57.1) | 26 (59.1) |  |
 caesarean section | 6 (42.9) | 18 (40.9) |  |
Birth weight | Â | Â | 0.513 |
 less than or equal to 3 kg (n, %) | 3 (21.4) | 15 (34.1) |  |
 more than 3 kg (n, %) | 11 (78.6) | 29 (65.9) |  |
Feeding patterns | Â | Â | 0.711 |
 breastfeeding (n, %) | 12 (85.7) | 34 (77.3) |  |
 non-breastfeeding (n, %) | 2 (14.3) | 10 (22.7) |  |
Diet | Â | Â | 0.676 |
 not picky eaters (n, %) | 10 (71.4) | 34 (77.3) |  |
 meat-based (n, %) | 3 (21.4) | 9 (20.5) |  |
 vegetarian-based (n, %) | 1 (7.1) | 1 (2.3) |  |
Constipation (n, %) | 3 (21.4) | 6 (13.6) | 0.673 |
BMI [kg/m2, median (range)] | 31.0 (25.4–37.5) | 26.8 (21.5–38.8) | 0.152 |