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. 2012 Jun 15;11:70. doi: 10.1186/1475-2840-11-70

Table 2.

Comorbidities and association with HbA1c

  Mean ± SD or n (%) Association with HbA1c1)
Coefficient P-value
Number of comorbidities
2.66 ± 1.6
-0.041
0.459 a)
≥1 comorbidity (n, %)
304 (93.3)
 
0.297 b)
0 comorbidities (n, %)
22 (6.7)
 
 
1 comorbidity (n, %)
59 (18.1)
 
 
2 comorbidities (n, %)
73 (22.4)
 
 
3 comorbidities (n, %)
86 (26.4)
 
 
≥4 comorbidities (n, %)
86 (26.4)
 
 
Hypertension (n, %)
231 (71.3)
 
0.049 b), 4c)
Hyperlipidemia (n, %)
208 (66.7)
 
0.097 b), 4d)
Adipositas (n, %)2)
173 (53.1)
 
0.057 b), 4e)
Obese class I (30 – 34.9) (n, %)
111 (34.1)
 
 
Obese class II (35 – 39.9) (n, %)
42 (12.9)
 
 
Obese class III (≥ 40) (n, %)
20 (6.1)
 
 
Coronary heart disease (n, %)
66 (20.4)
 
0.350 b)
Depression (n, %)
38 (11.7)
 
0.855 b)
Asthma / COPD (n, %)
32 (9.8)
 
0.460 b)
Myocardial infarction (n, %)3)
30 (9.3)
 
0.530 b)
Heart failure (n, %)
22 (6.8)
 
0.823 b)
Stroke (n, %)3)
17 (5.2)
 
0.747 b)
Cancer (n, %)3) 13 (4.2)   0.570 b)

1) a) Associations HbA1c with continuous variables by Pearson correlations, b) between HbA1c and categorical variables by t-tests.

2) BMI ≥ 30.

3) Present or history of.

4) HbA1c (%) mean per category of significant t-test and ANOVA results (p < 0.010): c) Hypertension: yes = 7.6, no = 8.0; d) Hyperlipidemia: yes = 7.6, no = 7.8; e) Adipositas: yes = 7.8, no = 7.6.