Table 2.
Comparison of clinical and laboratory data between the nocturnal hypertensive group and the nonhypertensive group according to HDL cholesterol concentrations ≥40 mg/dL
| Nocturnal hypertensive group | Nonhypertensive group | P | |
|---|---|---|---|
| N | 30 | 38 | |
| n (male:female) | 13:17 | 17:21 | |
| Age (years) | 15.82 ± 2.00 | 15.46 ± 2.13 | 0.473 |
| Age at diagnosis (years) | 7.87 ± 3.74 | 8.09 ± 3.46 | 0.801 |
| Mean HbA1c level in the previous year (%) | 8.89 ± 1.69 | 9.30 ± 2.13 | 0.390 |
| Diabetes duration (years) | 7.95 ± 3.66 | 7.36 ± 3.70 | 0.516 |
| cIMT (mm) | 0.44 ± 0.03 | 0.42 ± 0.04 | 0.020* |
| BMI-SD score | −0.03 ± 0.92 | −0.24 ± 0.71 | 0.318 |
| Daily insulin dose (per kg) | 0.93 ± 0.31 | 0.94 ± 0.36 | 0.917 |
| LDL cholesterol (mg/dL) | 94.70 ± 22.28 | 97.68 ± 24.01 | 0.598 |
| HDL cholesterol (mg/dL) | 61.53 ± 14.15 | 68.58 ± 15.99 | 0.056 |
| Non–HDL cholesterol (mg/dL) | 109.70 ± 27.70 | 111.66 ± 25.14 | 0.764 |
| 24-h urine microalbumin (mg/dL) | 10.85 ± 11.97 | 12.03 ± 25.21 | 0.801 |
| Daytime mean systolic blood pressure (mmHg) | 120.83 ± 6.35 | 116.85 ± 5.50 | 0.009* |
| Daytime mean diastolic blood pressure (mmHg) | 75.82 ± 4.22 | 73.41 ± 4.99 | 0.034* |
| Daytime mean systolic blood pressure index | 0.91 ± 0.04 | 0.88 ± 0.04 | 0.002* |
| Daytime mean diastolic blood pressure index | 0.90 ± 0.05 | 0.87 ± 0.06 | 0.031* |
Data are means ± SD.
*P < 0.05 by Student t test.