A retrospective cross-sectional study of type 2 diabetes overtreatment in patients admitted to the geriatric ward

BMC Geriatrics

Table 3 HbA_1C categories by risk of hypoglycemia groups

HbA_1C category	All patients (n = 213)	High risk group^a (n = 130)	Low risk group^b (n = 83)	P value^c
≤ 6.0% [42 ≤ mmol/mol]	40.8	40.8	41.0	0.39
> 6.0% [42 ≤ mmol/mol] and ≤ 6.5% [48 ≤ mmol/mol]	13.1	14.6	10.8
> 6.5 [48 ≤ mmol/mol] and ≤ 7.0%, [53 ≤ mmol/mol]	15.5	17.7	12.0
> 7.0%, [53 ≤ mmol/mol]	30.5	26.9	36.1
HbA_1C [%]	6.4 (5.6–7.3)	6.4 (5.7–7.3)	6.5 (5.5–7.5)	0.84
HbA_1C [mmol/mol]	46 (38–56)	46 (39–56)	48 (37–58)

N (%) or median values (IQR) are shown; ^aHigh risk group- aged 80+ years or demented or with GFR < 30 ml/min./1.73 m2 or with macrovascular complications (stroke, TIA, PTCA, CABG, myocardial infarction); ^bLow risk group- aged< 80 years, without dementia, without macrovascular complications and with GFR ≥ 30 ml/min./1.73 m2; ^cχ² test or Mann-Whitney test, IQR interquartile range, N number of cases

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