Research Article

Relationship of Hemoglobin A1c with β Cell Function and Insulin Resistance in Newly Diagnosed and Drug Naive Type 2 Diabetes Patients

Table 1

Characteristic of study participants grouped by A1c category.

CharacteristicsGroup 1Group 2Group 3Group 4Group 5Total

31115617267112818
Female (%)198 (63.7%)103 (66.0%)109 (63.4%)38 (56.7%)60 (53.6%)508 (62.1%)
Age (years)59.44 ± 9.9161.7 ± 9.6961.56 ± 9.23*61.76 ± 8.7258.55 ± 8.7760.39 ± 9.54
BMI (kg/m2)26.44 ± 3.5127.72 ± 3.19**27.99 ± 3.31***27.56 ± 3.3826.36 ± 2.8627.09 ± 3.39
Wc (cm)87.7 ± 10.1691.53 ± 8.88***91.51 ± 10.25***91.63 ± 10.84**89.56 ± 8.7189.81 ± 09.95
Systolic BP (mmHg)146.15 ± 20.63146.56 ± 19.42145.76 ± 19.85146.31 ± 18.83147.99 ± 21.11146.4 ± 20.13
Diastolic BP (mmHg)83.96 ± 12.4982.4 ± 11.7681.02 ± 11.34**80.31 ± 10.69*84.22 ± 12.3882.78 ± 12.02
FBG (mmol/L)7.47 ± 1.587.4 ± 0.917.96 ± 1.14**8.86 ± 1.73*** 12.54 ± 3.38***8.37 ± 2.47
Fasting insulin (uU/mL)9.7 (7–13.95)11.3 (7.8–15.8)9.7 (6.93–14.6)*9.9 (7–14.8)7.4 (5.23–11.1)**9.85 (6.9–14)
A1c (%)5.96 ± 0.346.7 ± 0.14***7.39 ± 0.3***8.33 ± 0.28***10.86 ± 1.75***7.27 ± 1.75
Cholesterol (mmol/L)5.51 ± 1.145.68 ± 1.015.6 ± 0.975.58 ± 0.955.76 ± 1.425.6 ± 1.11
Triglycerides (mmol/L)1.42 (1.01–2.1)1.61 (1.19–2.27)1.73 (1.26–2.47)1.91 (1.3–2.8)*1.81 (1.28–2.36)***1.59 (1.12–2.27)
LDL-C (mmol/L)3.3 ± 0.893.45 ± 0.843.4 ± 0.833.32 ± 0.833.64 ± 0.953.4 ± 0.88
HDL-C (mmol/L)1.55 ± 0.391.44 ± 0.27**1.36 ± 0.28***1.34 ± 0.24***1.48 ± 0.461.46 ± 0.36
ALT (U/L)13.67 ± 9.7515.58 ± 11.06**16.94 ± 13.2916.19 ± 9.8915.71 ± 10.0815.21 ± 10.94
AST (U/L)20.74 ± 9.3221.13 ± 9.0322.434 ± 9.6721.64 ± 11.3219.27 ± 8.9721.03 ± 9.49

Data are mean ± SD or median (interquartile range) or number (%). BMI, body mass index; WC, waist circumference; BP, blood pressure; FBG, fasting blood glucose; LDL-C, low-density lipoprotein cholesterol; HDL-C, high-density lipoprotein cholesterol; ALT, alanine aminotransferase; AST, aspartate aminotransferase. *P < 0.05 compared with Group 1; **P < 0.01 compared with Group 1; ***P < 0.01 compared with Group 1.