Table 1.
Clinical characteristics and laboratory data of study patients
| Dippers (n=40) | Non-dippers (n=52) | P | |
|---|---|---|---|
| Age, years | 52.9±10.6 | 54.1±8.7 | 0.22 |
| Sex, female/male | 18/22 | 24/28 | 0.82 |
| BMI, kg/m2 | 25.4±3 | 26.7±3.6 | 0.1 |
| 24-h average SBP, mm Hg | 135.3±22.1 | 146.9±17.8 | 0.009 |
| 24-h average DBP, mm Hg | 77.1±16.4 | 83.1±9.4 | 0.044 |
| Daytime SBP, mm Hg | 147.8 ±6.5 | 149.6±7.9 | 0.28 |
| Daytime DBP, mm Hg | 86.7 ±12.9 | 90.2±9.1 | 0.14 |
| Night-time average SBP, mm Hg | 118.6±24.1 | 145.5±19.2 | <0.001 |
| Night-time average DBP, mm Hg | 68.6±10.3 | 80.2±10.8 | <0.001 |
| Heart rate, beats/min | 77.2±11.7 | 76.3±13.4 | 0.76 |
| Total cholesterol, mg/dL | 203.9±36.7 | 205.4±41.4 | 0.87 |
| LDL cholesterol, mg/dL | 122.4±26.7 | 132.3±31.5 | 0.13 |
| HDL cholesterol, mg/dL | 38.5±10.4 | 38.4±7.4 | 0.96 |
| Blood glucose, mg/dL | 88±10.7 | 90.4±8.7 | 0.64 |
| Blood urea nitrogen, mg/dL | 28.9±4.5 | 33.4±5.5 | 0.51 |
| Creatinine, mg/dL | 0.96±0.22 | 1.02±0.19 | 0.45 |
BMI - body mass index; DBP - diastolic blood pressure; HDL - high-density lipoprotein; LDL - low-density lipoprotein; SBP - systolic blood pressure. Student's t-test and chi-square test were used