Table 2 Lab characteristics of patient cohorts used in the study (as mean ± standard deviation).
Full Data (n = 601,307) | Development set (n = 361,585) | Holdout set (n = 239,722) | Random ECG per patient in holdout set (n = 30,076) | |
|---|---|---|---|---|
Age (years) | 64.82 ± 17.57 | 64.90 ± 17.53 | 64.70 ± 17.62 | 64.74 ± 17.87 |
Sex (Male in %) | 55.84 | 55.81 | 55.88 | 56.63 |
Lab measurements | ||||
GFR (mL/min) | 66.01 ± 28.03 | 65.85 ± 28.04 | 66.25 ± 28.03 | 69.66 ± 27.94 |
Creatinine (umol/L) | 116.46 ± 117.03 | 117.20 ± 119.62 | 115.35 ± 113.00 | 107.52 ± 100.63 |
Hemoglobin (g/L) | 126.53 ± 23.23 | 126.46 ± 23.27 | 126.65 ± 23.18 | 127.81 ± 23.32 |
Potassium (mmol/L) | 4.02 ± 0.64 | 4.02 ± 0.64 | 4.02 ± 0.63 | 3.99 ± 0.62 |
Sodium (mmol/L) | 137.39 ± 4.35 | 137.38 ± 4.36 | 137.41 ± 4.33 | 137.39 ± 4.39 |
Troponin I (ug/L) | 2.24 ± 10.07 | 2.23 ± 10.09 | 2.24 ± 10.04 | 1.99 ± 9.49 |