Variables | Before inverse probability of treatment weighting | After inverse probability of treatment weighting | |||||
---|---|---|---|---|---|---|---|
IHD sessions with RCA (n = 124) | IHD sessions with heparin (n = 84) | p-value | IHD sessions with RCA (n = 112) | IHD sessions with heparin (n = 82) | p-value | |d| | |
Prescribed duration, min | 271 ± 92 | 252 ± 59 | 0.35 | 271 ± 94 | 251 ± 57 | 0.07 | 0.250 |
Delivered duration, min | 225 ± 84 | 234 ± 70 | 0.32 | 228 ± 78 | 229 ± 71 | 0.91 | 0.017 |
Difference between prescribed and delivered duration, min | 45 ± 97 | 18 ± 50 | 0.01 | 43 ± 97 | 22 ± 56 | 0.07 | 0.262 |
Prescribed blood flow, mL/min | 237 ± 39 | 257 ± 33 | 0.02 | 243 ± 40 | 254 ± 31 | 0.06 | 0.296 |
Delivered blood flow, mL/min | 232 ± 36 | 245 ± 31 | 0.11 | 237 ± 37 | 236 ± 30 | 0.82 | 0.037 |
Difference between prescribed and delivered blood flow, mL/min | 5 ± 19 | 12 ± 26 | 0.04 | 6 ± 18 | 18 ± 28 | 0.003 | 0.533 |
Prescribed dialysate flow, mL/min | 481 ± 59 | 490 ± 46 | 0.43 | 488 ± 57 | 484 ± 52 | 0.70 | 0.070 |
Delivered dialysate flow, mL/min | 485 ± 52 | 488 ± 50 | 0.81 | 490 ± 54 | 482 ± 57 | 0.39 | 0.159 |
Prescribed ultrafiltration, L | 1.19 ± 0.98 | 1.30 ± 0.97 | 0.71 | 1.22 ± 0.99 | 1.20 ± 0.98 | 0.92 | 0.016 |
Net ultrafiltration at the end of session, L | 0.96 ± 0.92 | 1.13 ± 0.91 | 0.33 | 1.02 ± 0.91 | 1.03 ± 0.94 | 0.93 | 0.015 |
Difference between prescribed and net ultrafiltration, L | 0.23 ± 0.51 | 0.17 ± 0.34 | 0.34 | 0.20 ± 0.48 | 0.17 ± 0.35 | 0.65 | 0.069 |
Kt/V per hour | 0.247 ± 0.068 | 0.227 ± 0.063 | 0.08 | 0.243 ± 0.072 | 0.217 ± 0.063 | 0.02 | 0.392 |
Kt/V at the end of session | 0.95 ± 0.38 | 0.89 ± 0.32 | 0.98 | 0.93 ± 0.38 | 0.84 ± 0.32 | 0.61 | 0.242 |
Kt at the end of session | 33.2 ± 13.4 | 34.5 ± 12.7 | 0.58 | 33.7 ± 13.5 | 32.0 ± 12.6 | 0.42 | 0.126 |
Kt/V at the end of session in 2015 | 0.97 ± 0.37 | 0.86 ± 0.30 | 0.53 | NE | NE |  |  |
Kt/V at the end of session in 2017 | 0.91 ± 0.41 | 0.92 ± 0.33 | 0.51 | NE | NE |  |  |
Kt at the end of session in 2015 | 31.9 ± 10.9 | 31.1 ± 10.3 | 0.80 | NE | NE |  |  |
Kt at the end of session in 2017 | 35.0 ± 16.1 | 37.3 ± 13.9 | 0.54 | NE | NE |  |  |