Effectiveness of Gatekeepers in Determining the Appropriate Use of Brain MRI/MRA Tests

Table 2

List of character distributions in the case group and control group.

	Case group (𝑛=156)	Control group (𝑛=721)
Age (average ± SD)	65±16	60±18
Comorbidity (%)
Hypertension	31	21
Diabetes	14	8
Hyperlipemia	18	15
At least one comorbidity	41	32
Existence of smoking habit (%)	8	13
Existence of referrals from primary care doctors (%)	39	27