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Table 2 Comorbidities and association with HbA1c

From: Characteristics of poorly controlled Type 2 diabetes patients in Swiss primary care

  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. 1) a) Associations HbA1c with continuous variables by Pearson correlations, b) between HbA1c and categorical variables by t-tests.
  2. 2) BMI ≥ 30.
  3. 3) Present or history of.
  4. 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.