Table 1.

Mean levels of BMI in each age group of patients and healthy control subjects

Age	Patient group		Control group
	Number of cases	Median level of BMI	Number of cases	Median level of BMI
30-39	8	21.94	50	24.26
40-49	27	22.37	69	25.54
50-59	84	22.64	55	24.71
60-69	134	23.46	54	24.93
70-79	47	22.25	30	24.38
Total	300	22.90	258	24.85