Table 1 Correlation matrix of blood pressure indices and other variables
From: Ratio of diastolic to systolic blood pressure represents renal resistive index
| Â | SBP | DBP | D/S ratio | PP |
|---|---|---|---|---|
Age | 0.135 (−0.022 to 0.285) | −0.243 (−0.385 to −0.090) | −0.444** (−0.309 to −0.562) | 0.359** (0.214 to 0.488) |
BMI | 0.145 (−0.016 to 0.299) | 0.219 (0.060 to 0.366) | 0.105 (−0.057to 0.262) | 0.009 (−0.152 to 0.170) |
U-pro | 0.034 (−0.140 to 0.205) | −0.139 (−0.305 to 0.035) | −0.194 (−0.355 to −0.022) | 0.152 (−0.022 to 0.316) |
PRA | −0.088 (−0.252 to 0.082) | −0.042 (−0.209 to 0.128) | 0.030 (−0.140 to 0.197) | −0.079 (−0.244 to 0.091) |
PAC | −0.018 (−0.187 to 0.151) | 0.064 (−0.106 to 0.230) | 0.090 (−0.081 to 0.255) | −0.070 (−0.236 to 0.101) |
eGFR | −0.151 (−0.301 to 0.007) | 0.023 (−0.135 to 0.180) | 0.184 (0.027 to 0.332) | −0.206 (−0.352 to −0.050) |
Trunk | ||||
PSV | −0.020 (−0.180 to 0.140) | −0.203 (−0.351 to –0.045) | −0.221 (−0.367 to –0.063) | 0.133 (−0.027 to 0.287) |
EDV | −0.102 (−0.257 to 0.059) | 0.228 (0.071 to 0.374) | 0.371** (0.225 to 0.501) | −0.304* (−0.443 to −0.152) |
RI | 0.101 (−0.061 to 0.258) | −0.412** (−0.537 to −0.269) | −0.585** (−0.681 to −0.468) | 0.444** (0.305 to 0.565) |
Hilum | ||||
PSV | −0.020 (−0.184 to 0.145) | −0.090 (−0.250 to 0.075) | −0.092 (−0.252 to 0.074) | 0.044 (−0.121 to 0.207) |
EDV | 0.045 (−0.120 to 0.208) | 0.260 (0.100 to 0.407) | 0.235 (0.074 to 0.384) | −0.144 (−0.301 to 0.020) |
RI | 0.084 (−0.082 to 0.244) | −0.385** (−0.517 to −0.236) | −0.542** (−0.649 to −0.415) | 0.399** (0.252 to 0.529) |
Segmental | ||||
PSV | 0.061 (−0.100 to 0.218) | −0.123 (−0.277 to 0.038) | −0.218 (–0.365 to −0.060) | 0.181 (0.021 to 0.331) |
EDV | 0.014 (−0.171 to 0.174) | 0.228 (0.071 to 0.375) | 0.253 (0.096 to 0.397) | −0.172 (−0.324 to −0.012) |
RI | 0.126 (−0.034 to 0.279) | −0.413** (–0.537 to −0.272) | −0.641** (−0.726 to −0.536) | 0.513** (0.385 to 0.621) |
Interlobar | ||||
PSV | 0.065 (−0.096 to 0.222) | −0.084 (−0.241 to 0.076) | −0.178 (−0.329 to −0.019) | 0.146 (−0.014 to 0.299) |
EDV | −0.011 (−0.171 to 0.150) | 0.302* (0.149 to 0.441) | 0.364** (0.216 to 0.495) | −0.250 (–0.394 to −0.093) |
RI | 0.116 (−0.045 to 0.270) | −0.402** (–0.528 to −0.259) | −0.612** (−0.703 to −0.502) | 0.461** (0.325 to 0.578) |
LPP | 0.034 (−0.124 to 0.191) | 0.194 (0.037 to 0.341) | 0.189 (0.032 to 0.336) | −0.110 (−0.263 to 0.049) |
Aortic PSV | −0.000 (−0.158 to 0.157) | −0.064 (−0.219 to 0.095) | −0.078 (−0.233 to 0.080) | 0.050 (−0.109 to 0.206) |