Association between echocardiography utilization and prognosis in patients with cardiac arrest

Nan Zhang, Qingting Lin, Huadong Zhu

Table 1. Characteristics of patients in the matched cohorts (weighted)

Covariates Echocardiography group (n=604) Non-echocardiography group (n=604) P-value SMD-weighted Basic characteristics Age, years 63.89±16.73 62.70±16.34 0.839 0.001 Female sex 231 (38.2) 224 (37.1) 0.678 0.005 BMI, kg/m2 29.08±7.48 28.98±7.48 0.82 0.007 Admission location 309 (51.2) 313 (51.8) 0.818 0.001 Diagnosis (ICD-10 code=I462) 49 (8.1) 59 (9.8) 0.313 0.005 Vital signs HR, min, beats/min 67.40±18.79 67.01±18.38 0.716 0.004 HR, max, beats/min 108.47±25.40 108.35±24.78 0.934 0.011 SBP, min, mmHg 80.86±19.24 80.15±21.40 0.544 0.007 SBP, max, mmHg 151.92±29.15 152.19±28.37 0.871 0.001 DBP, min, mmHg 42.48±13.13 42.28±13.55 0.787 0.005 DBP, max, mmHg 90.11±20.84 90.57±20.30 0.713 0.012 RR, min, breaths/min 12.98±4.52 13.03±4.77 0.85 0.001 RR, max, breaths/min 29.60±7.78 29.43±7.43 0.696 0.009 T, min, ℃ 35.73±1.42 35.72±1.46 0.937 0.008 T, max, ℃ 37.08±1.23 37.06±1.47 0.737 0.009 SpO2, min, % 2.46±2.02 2.53±2.01 0.762 0.003 SpO2, max, % 99.64±1.40 99.65±1.60 0.878 0.02 Laboratory tests Lac, min, mmol/L 2.46±2.02 2.53±2.01 0.554 <0.001 Lac, max, mmol/L 5.02±3.85 5.17±4.21 0.528 0.013 Scoring system GCS 10.06±4.75 10.06±4.93 0.991 0.001 SOFA score 9.49±4.38 9.48±4.31 0.947 0.005 Age-adjusted CCI 6.12±3.05 6.05±3.04 0.664 0.011 Sepsis 485 (80.3) 483 (80.0) 0.885 0.002 ICU_CA 102 (16.9) 83 (13.7) 0.129 0.007 Interventions, n (%) MV 477 (79.0) 481 (79.6) 0.776 0.004 NE 404 (66.9) 399 (66.1) 0.761 0.005 DP 107 (17.7) 105 (17.4) 0.88 0.004 Va 185 (30.6) 183 (30.3) 0.901 0.007