Table 3.
Main correlations in the study population
| Overall study population (n = 463) | |||||
|---|---|---|---|---|---|
| RRI | cIMT | aPWV | 24-h PP | Clinic PP | |
| r | r | r | r | r | |
| RRI | NA | 0.460*** | 0.332*** | 0.287*** | 0.315*** |
| cIMT | 0.460*** | NA | 0.386*** | 0.229*** | 0.279*** |
| aPWV | 0.332*** | 0.386*** | NA | 0.324*** | 0.369*** |
| Clinic systolic BP | 0.175** | 0.234*** | 0.365*** | 0.524*** | 0.737*** |
| Clinic diastolic BP | −0.177** | NS | NS | NS | −0.205*** |
| Clinic PP | 0.315*** | 0.279*** | 0.369*** | 0.617*** | NA |
| Clinic Heart rate | −0.285*** | NS | −0.331*** | −0.334*** | −0.329*** |
| 24- h systolic BP | NS | 0.203*** | 0.233*** | 0.728*** | 0.387*** |
| 24-h diastolic BP | −0.211*** | NS | NS | NS | −0.112* |
| 24-h PP | 0.287*** | 0.229*** | 0.324*** | / | 0.617*** |
| Serum creatinine | 0.330*** | 0.266*** | 0.222*** | 0.196** | 0.222*** |
| eGFR | −0.439*** | −0.416*** | −0.400*** | −0.233*** | −0.303*** |
| Age | 0.473*** | 0.556*** | 0.497*** | 0.182** | 0.311*** |
| BMI | 0.147** | 0.261*** | 0.112* | 0.136* | NS |
| Serum glucose | 0.221*** | 0.168** | 0.207*** | 0.206** | 0.129** |
| HDLc | NS | −0.200** | NS | NS | NS |
| LDLc | −0.133* | NS | −0.159* | −0.162* | NS |
| (Log) Triglycerides | 0.144* | 0.200** | NS | NS | NS |
| Serum uric acid | 0.299*** | 0.328*** | 0.213** | NS | 0.123* |
| (Log) Albuminuria | 0.328*** | 0.203*** | 0.343*** | 0.259*** | 0.218*** |
Abbreviations: aPWV, aortic pulse wave velocity; cIMT, carotid intima-media thickness; NA, not applicable; PP, pulse pressure; RRI, renal resistive index; HDLc, high density lipoprotein cholesterol; LDLc, low density lipoprotein cholesterol.
NS P > 0.05; *P ≤ 0.05; **P ≤ 0.01; ***P ≤ 0.001.