Table I.

Distribution of the characteristics of acute myeloid leukemia patients and the controls.

Characteristics	Patients (n=98)	Controls (n=2,014)	P-value
Median age, years (range)	38.3 (14–76)	37.5 (20–69)	0.57
Non-smoker and non-drinker	37.1 (14–76)	41.5 (20–69)	0.02
Male, n (%)	50 (51.0)	2,014 (100.0)	<0.01
Non-smoker and non-drinker	22 (22.4)	161 (100.0)	<0.01
History of smoking, n (%)
Smoker	24 (24.5)	1,107 (55.0)	<0.01
Non-smoker	74 (75.5)	907 (45.0)
History of drinking, n (%)
Drinker	17 (17.3)	1,721 (85.5)	<0.01
Non-drinker	81 (82.7)	293 (14.5)