Table 3 Prediction accuracy of variables at 24th hour and 48th hour in testing dataset (ICU-CH)
Variable name | 24th hour | 48th hour | ||||||
|---|---|---|---|---|---|---|---|---|
True value | Predicted value | Difference 95% CI) | Difference ratio (95% CI)a | True value | Predicted value | Difference (95% CI) | Difference ratio (95% CI)a | |
Temperature, ℃ | 36.95 ± 0.65 | 37.17 ± 0.24 | − 0.22 (− 0.25, − 0.18) | − 0.6 (− 0.7, − 0.5) | 37.02 ± 0.71 | 37.25 ± 0.19 | − 0.23 (− 0.28, − 0.19) | − 0.7 (− 0.8, − 0.5) |
Respiratory rate, beat Per Minute | 18.48 ± 4.36 | 18.52 ± 2.06 | − 0.04 (− 0.24, 0.16) | − 3.9 (− 5.0, − 2.8) | 18.96 ± 4.40 | 18.99 ± 1.28 | − 0.03 (− 0.30, 0.25) | − 4.7 (− 6.3, − 3.2) |
Heart Rate, beat Per Minute | 79.31 ± 14.21 | 82.17 ± 9.49 | − 2.86 (− 3.48, − 2.24) | − 5.6 (− 6.4, − 4.7) | 80.58 ± 15.30 | 83.37 ± 6.09 | − 2.79 (− 3.69, − 1.90) | − 6.4 (− 7.6, − 5.2) |
Systolic pressure, mmHg | 127.58 ± 16.64 | 128.57 ± 6.85 | − 0.99 (− 1.82, − 0.16) | − 2.1 (− 2.8, − 1.5) | 131.07 ± 18.35 | 128.43 ± 4.04 | 2.64 (1.42, 3.86) | 0.2 (− 0.7, 1.2) |
Diastolic pressure, mmHg | 65.22 ± 11.39 | 63.38 ± 5.51 | 1.84 (1.31, 2.37) | 0.7 (− 0.1, 1.5) | 66.50 ± 11.94 | 62.51 ± 4.10 | 3.98 (3.24, 4.72) | 3.5 (2.4, 4.6) |
GCS | 12.38 ± 3.04 | 12.52 ± 2.55 | − 0.14 (− 0.25, − 0.02) | − 5.3 (− 6.9, − 3.7) | 12.01 ± 3.18 | 12.03 ± 2.22 | − 0.02 (− 0.18, 0.15) | − 6.7 (− 9.1, − 4.4) |
Leukocyte count, K/uL | 11.09 ± 4.79 | 10.56 ± 3.95 | 0.53 (0.37, 0.70) | − 0.3 (− 1.9, 1.2) | 11.35 ± 4.77 | 10.35 ± 3.38 | 1.00 (0.76, 1.24) | 2.0 (− 0.1, 4.0) |
Platelet count, K/uL | 274.61 ± 125.19 | 271.43 ± 123.69 | 3.18 (0.45, 5.92) | − 0.1 (− 1.0, 0.8) | 282.15 ± 131.37 | 294.73 ± 134.14 | − 12.57 (− 17.86, − 7.29) | − 7.9 (− 9.8, − 6.0) |
Hematocrit, % | 33.09 ± 5.58 | 31.91 ± 4.48 | 1.18 (1.01, 1.34) | 2.8 (2.3, 3.3) | 32.57 ± 5.65 | 30.93 ± 3.90 | 1.64 (1.39, 1.88) | 3.8 (3.1, 4.5) |
Bilirubin, mg/dL | 0.62 ± 0.90 | 0.65 ± 0.89 | − 0.02 (− 0.04, − 0.01) | − 6.8 (− 8.7, − 4.8) | 0.64 ± 0.89 | 0.67 ± 0.96 | − 0.03 (− 0.05, − 0.01) | − 8.2 (− 11.3, − 5.0) |
Blood glucose, mg/dL | 143.57 ± 58.15 | 133.68 ± 23.77 | 9.89 (6.84, 12.95) | 2.5 (1.5, 3.6) | 139.87 ± 33.67 | 131.81 ± 18.01 | 8.06 (6.04, 10.08) | 2.7 (1.4, 3.9) |
Sodium, mEq/L | 138.90 ± 4.28 | 139.12 ± 4.12 | − 0.22 (− 0.41, − 0.03) | − 0.2 (− 0.3, − 0.1) | 138.98 ± 4.41 | 139.02 ± 3.79 | − 0.04 (− 0.30, 0.21) | − 0.1 (− 0.3, 0.1) |
Potassium, mEq/L | 3.96 ± 0.44 | 3.93 ± 0.30 | 0.03 (0.01, 0.05) | − 0.1 (− 0.6, 0.5) | 3.93 ± 0.45 | 3.92 ± 0.20 | 0.01 (− 0.02, 0.04) | − 0.7 (− 1.4, − 0.0) |
PH value | 7.43 ± 0.04 | 7.42 ± 0.03 | 0.00 (0.00, 0.01) | 0.1 (0.0, 0.1) | 7.44 ± 0.04 | 7.43 ± 0.02 | 0.01 (0.01, 0.02) | 0.2 (0.1, 0.2) |
Creatinine, mg/dL | 0.85 ± 0.56 | 0.81 ± 0.48 | 0.05 (0.04, 0.06) | 3.7 (2.8, 4.6) | 0.84 ± 0.53 | 0.78 ± 0.45 | 0.07 (0.05, 0.08) | 5.1 (3.8, 6.3) |
Urea nitrogen, mg/dL | 17.50 ± 11.35 | 17.14 ± 11.29 | 0.36 (0.13, 0.59) | − 0.7(− 2.0, 0.7) | 17.99 ± 12.25 | 18.00 ± 11.85 | − 0.01 (− 0.44, 0.41) | − 5.4 (− 7.7, − 3.2) |
Central venous pressure, mmHg | 7.83 ± 1.87 | 8.24 ± 1.17 | − 0.41 (− 0.48, − 0.34) | − 9.6 (− 12.1, − 7.1) | 7.96 ± 2.30 | 8.59 ± 1.04 | − 0.64 (− 0.77, − 0.51) | − 14.6 (− 16.9, − 12.4) |
PO2/FIO2 Ratio, mmHg | 323.16 ± 70.65 | 289.80 ± 42.39 | 33.36 (29.79, 36.94) | 7.8 (6.7, 8.8) | 308.68 ± 73.75 | 272.85 ± 25.43 | 35.84 (31.17, 40.50) | 7.5 (5.9, 9.2) |