Table 1 Baseline clinical characteristics of patient population and aortic dissection features before and after propensity score matching
Characteristics | Before Matching | After Matching | ||||
|---|---|---|---|---|---|---|
Control(n = 601) | CRRT(n = 111) | P Value | Control(n = 29) | CRRT(n = 29) | P Value | |
Patient characteristics | ||||||
 Demographics | ||||||
  Age (year) | 52.0 ± 13.0 | 55.4 ± 14.0 | 0.011 | 54.6 ± 13.2 | 54.8 ± 13.2 | 0.937 |
  Male (%) | 438(72.9) | 84(75.7) | 0.540 | 20(69.0) | 23(79.3) | 0.368 |
  BMI (kg/m2) | 25.2 ± 5.0 | 26.1 ± 5.0 | 0.146 | 25.8 ± 3.4 | 27.0 ± 5.0 | 0.278 |
 Medical history | ||||||
  Hypertension (%) | 401(66.7) | 91(82.0) | 0.001 | 20(69.0) | 21(72.4) | 0.773 |
  Diabetes mellitus (%) | 11(1.8) | 1(0.9) | 0.703 | 0 | 0 | – |
  Previous cardiac surgery (%) | 28(4.7) | 8(7.2) | 0.260 | 0 | 0 | – |
  Previous Coronary artery disease (%) | 18(3.0) | 9(8.1) | 0.025 | 1(3.4) | 2(6.9) | 1.000 |
  Cerebrovascular disease (%) | 20(3.3) | 4(3.6) | 0.779 | 2(6.9) | 1(3.4) | 1.000 |
  Pericardial effusion (%) | 15(2.5) | 13(11.7) | < 0.001 | 1(3.4) | 1(3.4) | 1.000 |
 Preoperative laboratory data | ||||||
  BUN (mmol/L) | 7.0 ± 3.8 | 11.5 ± 8.2 | < 0.001 | 7.8 ± 3.0 | 6.6 ± 1.9 | 0.063 |
  sCr (μmol/L) | 91.0 ± 48.4 | 176.0 ± 156.5 | < 0.001 | 96.6 ± 46.7 | 90.1 ± 35.1 | 0.552 |
Aortic dissection features | ||||||
 Blood supply of left renal artery (%) | ||||||
  True lumen | 326(64.2) | 38(62.3) |  | 14(58.3) | 6(37.5) |  |
  False lumen | 133(26.2) | 17(27.9) |  | 9(37.5) | 7(43.8) |  |
  True lumen and false lumen | 49(9.6) | 6(9.8) | 0.978 | 1(4.2) | 3(18.8) | 0.272 |
 Blood supply of right renal artery (%) | ||||||
  True lumen | 390(76.8) | 41(67.2) |  | 18(75.0) | 11(68.8) |  |
  False lumen | 91(17.9) | 13(21.3) |  | 4(16.7) | 2(12.5) |  |
  True lumen and false lumen | 27(5.3) | 7(11.5) | 0.106 | 2(8.3) | 3(18.8) | 0.766 |