Association of gene variants with susceptibility to type 2 diabetes among Omanis

Table 1 Anthropometric and biochemical characteristics of Omani type 2 diabetes mellitus patients and controls

	T2D patients			Controls
	Mean ± SD or median (range)1			Mean ± SD or median (range)1
	Males	Females	Total	Males	Females	Total
Total number (n)	473	519	992	121	173	294
Age (yr)	56 ± 11	56 ± 10	56 ± 11	41 (35-80)1	44 (32-79)1	43 (32-80)1
Weight (kg)	78.8 ± 15.4NS	75.1 ± 17.0	76.8 ± 16.4	76.8 ± 14.2	70.3 ± 13	73.7 ± 14.7
Height (cm)	165 ± 9a	152 ± 9	157 (106-182)1NS	167 ± 8	154 ± 6	159 ± 9
BMI (kg/m2)	29.1 ± 4.8b	32.8 ± 10.3	30 (15-58)1	27.6 ± 4.3	29.5 ± 5.2	29.3 ± 5.8
Waist circumference (cm)	100 ± 12	100 ± 13	100 ± 13	95 ± 13	91 ± 11	92 ± 12
Fasting blood glucose (mmol/L)	8.7 (3-24)1	9.0 (3-25)1	8.8 (3-25)1	5.1 ± 0.31	4.9 ± 0.36	5.1 ± 0.41
HbA1C (%)	8.3 ± 1.8	8.3 (4.9-15.5)1	8.2 (4.1-18.6)1	5.7 ± 0.46	5.7 (4.0-7.9)1	5.7 ± 0.44
Obesity status (%)
Underweight	-	0.5	0.3	2.1	1	1.4
Normal weight	16.8	12.5	14.5	22.2	18.2	19.1
Overweight	45	30.2	36.1	43.8	34.5	38.9
Obese	38.2	56.8	49.1	29.9	45.8	39.6
Missing	-	-	-	2.1	0.5	1

¹Median (range = minimum-maximum) displayed in the table when the variable does not follow a normal distribution pattern. In all parameters, P < 0.001 between diabetics and controls, except: NS;

^aP < 0.05 between diabetics and controls;

^bP < 0.01 between diabetics and controls. NS: No significant difference between diabetics and controls; T2D: Type 2 diabetes mellitus; BMI: Body mass index.