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Table 2 Cognitive Performance, clinical characteristics and glycemic control data of the study sample. MHAS 2012

From: Effect of poor glycemic control in cognitive performance in the elderly with type 2 diabetes mellitus: The Mexican Health and Aging Study

Cognitive Performance

Total

Low

≤44.0

Intermediate

44.1–59.52

High

≥59.53

P

Mean (SD)/nn/SD (%)

n = 216

n = 76

n = 68

n = 72

 

Age

68.11 (6.48)

69.75 (6.66)a

68.66 (6.93)

65.86 (5.18)

.001*

Female

125 (57.9%)

49 (64.5%)

36 (52.9%)

40 (55.6%)

.337

Education level

4.72 (3.96)

2.57 (2.67)ab

4.25 (3.27)

7.44 (4.15)

.000*

Smoking history

21 (9.7%)

7 (9.2%)

6 (8.8%)

8 (11.1%)

.887

Alcoholism

39 (18.1%)

8 (10.5%)a

19 (27.9%)

12 (16.7%)

.023*

Hypertension

149 (69.0%)

54 (71.1%)

49 (72.1%)

46 (63.9%)

.519

CVD

4 (1.9%)

3 (3.9%)

1 (1.5%)

0 (0.0%)

.199

Obesity

87 (40.3%)

27 (35.5%)

28 (41.2%)

32 (44.4%)

.537

Depressive Symptoms

4.76 (1.97)

5.04 (1.91)

4.81 (2.08)

4.43 (1.89)

.166

IHD

17 (7.9%)

5 (6.6%)

7 (10.3%)

5 (6.9%)

.670

Systolic Pressure

144.67 (21.72)

145.54 (22.83)

147.68 (21.83)

140.93 (20.10)

.169

Diastolic Pressure

77.67 (12.20)

76.68 (12.97)

79.75 (12.46)

76.75 (10.96)

.237

Heart Rate

76.71 (12.16)

76.28 (12.67)

78.90 (12.75)

75.10 (10.85)

.169

PCR

4.68 (7.20)

4.78 (7.28)

4.98 (8.54)

4.30 (5.68)

.854

Total Cholesterol

192.64 (41.88)

194.16 (37.94)

196.46 (55.01)

187.50 (29.13)

.431

HDL

38.38 (8.81)

36.86 (8.12)

38.60 (9.28)

39.74 (8.93)

.144

TSH

3.35 (8.38)

3.64 (11.59)

4.14 (8.35)

2.31 (1.95)

.416

Vitamin D

21.13 (6.83)

20.85 (7.40)

20.94 (6.40)

21.60 (6.67)

.779

Glycemic Control

 Poor

HbA1c ≥ 8%

103 (47.7%)

41 (54.0%)

36 (52.9%)

26 (36.1%)

.166

 Standard

HbA1c 7.0–7.9%

46 (21.3%)

13 (17.1%)

15 (22.1%)

18 (25%)

 Intensive

HbA1c < 7.0%

67 (31.0%)

22 (28.9%)

17 (25%)

28 (38.9%)

  1. Data are presented as means or percentage, ANOVA analysis was performed. CVD Cerebrovascular Disease, IHD Isquemic Heart Disease, PCR Reactive protein-C, HDL High density cholesterol, TSH Stimulating thyroid hormone, HbA1c Glycated hemoglobin, SD Standard Deviation. *p ≤ 0.05. Post-hoc DSM ap < 0.001 Low vs High cognitive performance; bp < 0.001 Low vs Intermediate cognitive performance