Research Article

Hypoglycemia Is Independently Associated with Multidimensional Impairment in Elderly Diabetic Patients

Table 1

Demographic and clinical characteristics of older patients with type 2 DM, overall and stratified according to the MPI risk.

Overall
(n = 1342)
MPI risk groupP value
Low risk
(n = 1153)
Moderate/severe risk (n = 189)

Sex (male), n (%)704 (52.5)638 (55.3)66 (34.9)<0.0001
Age (years), mean ± SD73.3 ± 5.572.9 ± 5.375.8 ± 6.1<0.0001
Systolic blood pressure (mmHg), mean ± SD138.3 ± 16.9138.3 ± 16.8138.6 ± 18.10.8404
Diastolic blood pressure (mmHg), mean ± SD77.7 ± 8.677.8 ± 8.577.4 ± 9.20.6096
Heart rate, mean ± SD74.3 ± 8.674.3 ± 8.574.3 ± 8.90.9727
Duration of diabetes (years), mean ± SD11.3 ± 8.211.1 ± 8.112.4 ± 8.90.0399
Number of antidiabetic drugs, median2 (1, 2)1 (1, 2)2 (1, 2)<0.0001
Hypoglycemic events in the last 3 months, n (%)161 (12.0)122 (10.6)39 (20.6)<0.0001
Hospitalization for glycemic decompensation, n (%)30 (2.2)13 (1.1)17 (9.0)<0.0001
Gained weight, (%)256 (19.1)202 (17.5)54 (28.6)0.0003
Diabetes complications, (%)
 Coronary disease256 (20.0)194 (17.6)62 (34.6)<0.0001
 Cerebrovascular disease148 (11.3)100 (8.9)48 (26.8)<0.0001
 Peripheral arteriopathy268 (20.7)200 (17.9)68 (37.8)<0.0001
 Nephropathy212 (16.2)159 (14.1)53 (29.3)<0.0001
 Retinopathy241 (18.6)183 (16.3)58 (33.0)<0.0001
 Neuropathy188 (15.0)138 (12.7)50 (30.3)<0.0001
Laboratory test
 Glycaemia, (mg/dL) mean ± SD138.5 ± 35.4138.7 ± 36.3137.2 ± 29.90.5857
 Creatinine, (mg/dL) median0.90 (0.78, 1.10)0.90 (0.70, 1.10)0.98 (0.80, 1.30)0.0014
 HDL cholesterol, (mg/dL) mean ± SD49.9 ± 12.949.9 ± 13.049.7 ± 12.70.8005
 Triglycerides, (mg/dL) median117.0 (88.0, 158.0)115.0 (86.0, 154.0)132.0 (98.0, 177.0)<0.0001
 HbA1c, (%) mean ± SD7.1 ± 1.07.1 ± 1.17.2 ± 1.00.4413
 BMI, (%)0.0008
  Underweight (BMI < 18.5 kg/m2)3 (0.2)2 (0.2)1 (0.5)
  Normal weight (BMI 18.5–25 kg/m2)245 (18.3)210 (18.2)35 (18.5)
  Overweight (BMI 25–30 kg/m2)550 (41.0)495 (42.9)55 (29.1)
  Obese (BMI ≥ 30 kg/m2)544 (40.5)446 (38.7)98 (51.9)
Antidiabetic therapies currently being taken, n (%)
 Insulin (in combination with other drugs including sulfonylureas)62 (4.6)42 (3.6)20 (10.6)<0.0001
 Insulin (in combination with other drugs excluding sulfonylureas)69 (5.1)54 (4.7)15 (7.9)
 Sulfonylureas (alone or in combination with other drugs excluding insulin)672 (50.1)570 (49.4)102 (54.0)
 Only biguanides399 (29.7)368 (31.9)31 (16.4)
 Only alpha-glucosidase inhibitors12 (0.9)9 (0.8)3 (1.6)
 Only thiazolidinediones12 (0.9)10 (0.9)2 (1.1)
 Biguanides and thiazolidinediones31 (2.3)27 (2.3)4 (2.1)
 Dpp-4 inhibitors (alone or in combination with other drugs)83 (6.2)71 (6.2)12 (6.4)
 Other associations2 (0.2)2 (0.2)0 (0.0)