Table 2.

Results of nonparametric test (Mann–Whitney U test) for association of categorical independent variables with frequencies of hypoglycemia and severe hypoglycemia.

Categorical variables	Type 1 diabetes				Type 2 diabetes
Mann–Whitney U test	Hypoglycemia [mean ± SD]	p value	Severe hypoglycemia [mean ± SD]	p value	Hypoglycemia [mean ± SD]	p value	Severe hypoglycemia [mean ± SD]	p value
Females	37.96 ± 26.40	0.188	5.69 ± 7.99	0.523	8.16 ± 9.96	0.617	0.88 ± 2.66	0.412
Males	30.45 ± 19.31		3.85 ± 5.22		10.22 ± 11.91		0.57 ± 1.72
Nephropathy absent	36.45 ± 24.62	0.089	5.10 ± 7.08	0.162	9.57 ± 11.84	0.581	0.91 ± 2.69	0.487
Nephropathy present	26.63 ± 17.16		3.78 ± 6.02		8.75 ± 9.95		0.49 ± 1.50
Retinopathy absent	35.85 ± 24.14	0.258	4.94 ± 7.03	0.524	9.22 ± 11.68	0.109	0.81 ± 2.43	0.551
Retinopathy present	30.06 ± 21.49		4.50 ± 6.46		9.06 ± 7.53		0.35 ± 1.02
On MDI	32.92 ± 23.43	0.224	4.85 ± 7.24	0.543	9.30 ± 11.02	0.085	0.73 ± 2.25	—
On insulin pump	37.28 ± 23.84		4.81 ± 6.23		0.50 ± 0.71		0.00
HTN absent	35.23 ± 24.09	0.648	5.08 ± 6.94	0.377	10.48 ± 11.60	0.324	0.74 ± 1.81	0.647
HTN present	33.04 ± 22.79		4.38 ± 6.80		8.76 ± 10.80		0.71 ± 2.37
CAD absent	35.69 ± 23.23	0.063	5.12 ± 7.09	0.132	9.50 ± 11.08	0.367	0.76 ± 2.42	0.783
CAD present	27.05 ± 24.92		3.10 ± 5.22		8.58 ± 10.91		0.64 ± 1.83
Other race	24.60 ± 11.33	0.435	1.40 ± 1.34	0.284	10.11 ± 12.25	0.913	1.28 ± 2.92	0.326
Caucasians	34.84 ± 23.87		4.97 ± 6.97		9.01 ± 10.76		0.60 ± 2.06
Depression absent	34.63 ± 24.07	0.912	4.69 ± 6.86	0.484	8.56 ± 10.72	0.047	0.67 ± 2.29	0.366
Depression present	33.19 ± 20.21		5.87 ± 7.13		11.73 ± 11.89		0.94 ± 2.03
Different categories of A1c (<7, 7-8, >8)		0.001		0.052		0.507		0.363