Research Article

Association between Hand Digit Ratio (2D : 4D) and Acute Lymphoblastic Leukemia

Table 1

Characteristics of patients with acute lymphoblastic leukemia (ALL group) and control group.

CharacteristicsALL group

(%)
Control group

(%)
value

Gestational age (weeks)
<3702 (4.7)10 (11.6)
37–4138 (88.4)70 (81.4)0.435
≥4203 (7.0)06 (7.0)
Mean (SD)39.42 (2.805)39.35 (2.170)
Birth weight (g)
<250004 (9.3)11 (12.8)
2500–399933 (76.7)70 (81.4)0.090
≥400006 (14)03 (3.5)
Mean (SD)3.288 (0.626)3.134 (0.626)
First born
Yes14 (32.6)36 (41.9)0.307
No29 (67.4)50 (58.1)
Maternal age (years)
<3537 (86.0)79 (91.9)0.301
≥356 (14.0)7 (8.1)
Mean (SD)27.07 (6.720)25.53 (5.895)
Maternal education (years)
<506 (13.9)2 (2.3)
5–811 (25.6)23 (26.7)0.38
≥926 (60.5)61 (70.9)
Family history of ALL
Yes00
No4386

Chi-squared test. Missing.