Copyright
©The Author(s) 2021.
World J Clin Cases. Oct 16, 2021; 9(29): 8729-8739
Published online Oct 16, 2021. doi: 10.12998/wjcc.v9.i29.8729
Published online Oct 16, 2021. doi: 10.12998/wjcc.v9.i29.8729
Variable | Training set | Test set | P value |
Patient population, n | 2121 | 909 | |
Age (yr) | 63 (53-70) | 62 (53-69) | 0.323 |
Male, n (%) | 1444 (68.1) | 591 (65.0) | 0.307 |
BMI (kg/m2) | 24.8 (17.8-29.8) | 24.8 (17.3-28.9) | 0.956 |
Smoking, n (%) | 775 (36.5) | 328 (36.1) | 0.937 |
Surgery type, n (%) | |||
CABG only | 750 (35.4) | 378 (41.6) | 0.128 |
Valve surgery only | 1113 (52.5) | 455 (50.0) | 0.560 |
CABG + valve surgery | 258 (12.2) | 76 (8.4) | 0.156 |
Previous cardiac surgery, n (%) | 267 (12.6) | 166 (18.3) | 0.052 |
Preoperative ventilator support, n (%) | 148 (7.0) | 54 (5.9) | 0.603 |
Preoperative IABP, n (%) | 45 (2.1) | 40 (4.5) | 0.096 |
Diabetes mellitus, n (%) | 687 (32.4) | 284 (31.2) | 0.756 |
Dyslipidemia, n (%) | 800 (37.7) | 365 (40.1) | 0.564 |
Cerebrovascular accident, n (%) | 123 (5.8) | 54 (5.9) | 0.926 |
Myocardial infarction within 90 d, n (%) | 329 (15.5) | 135 (14.9) | 0.879 |
Serum creatinine (mg/dL) | 0.91 (0.71-1.16) | 0.90 (0.70-1.14) | 0.128 |
Hemoglobin (g/dL) | 13.2 (11.4-14.6) | 13.1 (11.4-14.3) | 0.403 |
Preoperative EF (%) | 62.0 (35.0-70.0) | 61.0 (30.0-71.3) | 0.323 |
ASA score, n (%) | |||
Class I | 21 (1.5) | 14 (1.5) | 0.994 |
Class II | 380 (17.9) | 157 (17.3) | 0.856 |
Class III | 1525 (71.9) | 666 (73.3) | 0.708 |
Class IV | 172 (8.1) | 58 (6.4) | 0.455 |
EuroSCORE I | 3.2 (0.83-8.95) | 2.96 (0.67-9.65) | 0.355 |
Beta blocker use, n (%) | 959 (45.2) | 383 (42.1) | 0.455 |
Aspirin use, n (%) | 575 (27.1) | 243 (26.7) | 0.926 |
Dobutamin use, n (%) | 19 (0.9) | 14 (1.5) | 0.460 |
Insulin use, n (%) | 99 (4.7) | 76 (8.4) | 0.059 |
Systolic blood pressure | 111 (88-154.8) | 119 (95-165.5) | 0.658 |
Diastolic blood pressure | 73 (55-84) | 75 (58-89) | 0.537 |
Mean arterial pressure | 93 (71-119) | 108 (68-121) | 0.437 |
- Citation: Li XF, Huang YZ, Tang JY, Li RC, Wang XQ. Development of a random forest model for hypotension prediction after anesthesia induction for cardiac surgery. World J Clin Cases 2021; 9(29): 8729-8739
- URL: https://www.wjgnet.com/2307-8960/full/v9/i29/8729.htm
- DOI: https://dx.doi.org/10.12998/wjcc.v9.i29.8729