Table 2 Breakdown of data per binary-class and multi-class discharge outcomes
From: Early prediction of patient discharge disposition in acute neurological care using machine learning
Feature | Missing | Binary-Outcome data breakdown | Multi-outcome data breakdown | ||||||
|---|---|---|---|---|---|---|---|---|---|
Home | Non-Home | P-value | Home | Nursing | Rehab | Death | P-Value | ||
N (%) | - | 2612 (49.8%) | 2633 (50.2%) | - | 2612 (49.8%) | 1125 (21.5%) | 890 (16.7%) | 618 (11.8%) | - |
Patient Demographics | - | - | - | - | - | - | - | - | - |
Gender | 0 | - | - | 0.009 | - | - | - | - | < 0.001 |
Female | - | 1213 (46.4%) | 1328 (50.44%) | - | 1213 (46.4%) | 647 (57.5%) | 376 (42.3%) | 305 (49.4%) | - |
Male | - | 1398 (53.5%) | 1305 (49.56%) | - | 1398 (53.5%) | 478 (42.5%) | 514 (57.7%) | 313 (50.6%) | - |
Age (median) [Q1,Q3] | 0 | 65 [54, 76] | 73 [63, 83] | < 0.001 | 65 [54, 76] | 76 [66, 85] | 68.5 [58, 77] | 75 [64, 83] | < 0.001 |
Ethnicity | 33 | - | - | < 0.001 | - | - | - | - | < 0.001 |
Caucasian | - | 1923 (73.6%) | 2111 (80.17%) | - | 1923 (73.6%) | 903 (80.3%) | 721 (81%) | 487 (78.8%) | - |
African American | - | 302 (11.6%) | 248 (9.42%) | - | 302 (11.6%) | 113 (10%) | 79 (8.9%) | 56 (9%) | - |
Hispanic | - | 180 (6.89%) | 72 (2.73%) | - | 180 (6.89%) | 18 (1.6%) | 19 (2.13%) | 35 (5.66%) | - |
Native American | - | 15 (0.57%) | 11 (0.42%) | - | 15 (0.57%) | 5 (0.44%) | 12 (1.35%) | 0 (0%) | |
Asian | - | 52 (1.99%) | 46 (1.75%) | - | 52 (1.99%) | 25 (2.22%) | 6 (0.67%) | 9 (1.46%) | - |
Other/Unknown | - | 140 (5.36%) | 145 (5.51%) | - | 140 (5.36%) | 61 (5.42%) | 53 (5.96%) | 31 (5.02%) | - |
Admission Variables | - | - | - | - | - | - | - | - | - |
Unit Type | 0 | - | - | < 0.001 | - | - | - | - | < 0.001 |
Med-Surg ICU | - | 1213 (46.4%) | 1216 (46.2%) | - | 1213 (46.4%) | 529 (47%) | 398 (44.7%) | 289 (46.8%) | - |
Neuro ICU | - | 895 (34.3%) | 871 (33.08%) | - | 895 (34.3%) | 390 (34.7%) | 279 (31.3%) | 202 (32.7%) | - |
MICU | - | 133 (5.09%) | 168 (6.38%) | - | 133 (5.09%) | 70 (6.22%) | 67 (7.53%) | 31 (5.02%) | - |
SICU | - | 131 (5.02%) | 207 (7.86%) | - | 131 (5.02%) | 69 (6.13% | 92 (10.3%) | 46 (7.44%) | - |
Cardiac ICU | - | 118 (4.52%) | 92 (3.49%) | - | 118 (4.52%) | 34 (3.02%) | 35 (3.93%) | 23 (3.72%) | - |
CCU-CTICU | - | 69 (2.64%) | 52 (1.97%) | - | 69 (2.64%) | 22 (1.96%) | 14 (1.57%) | 16 (2.59%) | - |
CTICU | - | 44 (1.69%) | 15 (0.57%) | - | 44 (1.69%) | 5 (0.44%) | 1 (0.11%) | 9 (1.46%) | - |
CSICU | - | 9 (0.35%) | 12 (0.46%) | - | 9 (0.35%) | 6 (0.53%) | 4 (0.45%) | 2 (0.32%) | - |
Unit Stay Type | 0 | - | - | 0.163 | - | - | - | - | 0.031 |
Admit | - | 2434 (93.2%) | 2436 (92.52%) | - | 2434 (93.2%) | 1051 (93.4%) | 818 (91.9%) | 567 (91.7%) | - |
Transfer | - | 110 (4.21%) | 105 (3.99% | - | 110 (4.21%) | 30 (2.67%) | 42 (4.72%) | 33 (5.34%) | - |
Readmit | - | 68 (2.60%) | 92 (3.49%) | - | 68 (2.60%) | 44 (3.91%) | 30 (3.37%) | 18 (2.91%) | - |
Admission Hour (mean)[SD] | 0 | 11.27 [8.08] | 11.27 [8.08] | 0.443 | 11.27 [8.08] | 11.15 [8.15] | 11.76 [8.15] | 11.51 [7.64] | 0.324 |
Comorbidities | - | - | - | - | - | - | - | - | - |
Leukemia | 0 | 10 (0.38%) | 13 (0.49%) | 0.69 | 10 (0.38%) | 5 (0.44%) | 4 (0.45%) | 4 (0.65%) | 0.848 |
AIDS | 0 | 1 (0.04%) | 0 (0%) | 0.997 | 1 (0.04%) | 0 (0%) | 0 (0%) | 0 (0%) | 0.799 |
Hepatic Failure | 0 | 11 (0.42%) | 12 (0.46%) | 0.985 | 11 (0.42%) | 3 (0.27%) | 4 (0.45%) | 5 (0.81%) | 0.436 |
Cirrhosis | 0 | 11 (0.42%) | 15 (0.57%) | 0.569 | 11 (0.42%) | 6 (0.53%) | 3 (0.34%) | 6 (0.97%) | 0.307 |
Immunosuppression | 0 | 30 (1.14%) | 28 (1.06%) | 0.871 | 30 (1.14%) | 9 (0.80%) | 10 (1.12%) | 9 (1.46%) | 0.636 |
Lymphoma | 0 | 9 (0.35%) | 10 (0.38%) | 0.986 | 9 (0.35%) | 2 (0.18%) | 6 (0.67%) | 2 (0.32%) | 0.32 |
Metastatic Cancer | 0 | 22 (0.84%) | 26 (0.99%) | 0.684 | 22 (0.84%) | 9 (0.80%) | 7 (0.79%) | 10 (1.62%) | 0.278 |
Diabetes | 0 | 527 (20.2%) | 556 (21.12%) | 0.42 | 527 (20.2%) | 251 (22.3%) | 180 (20.2%) | 125 (20.2%) | 0.49 |
MI (Last 6 months) | 0 | 11 (0.42%) | 14 (0.53%) | 0.703 | 11 (0.42%) | 6 (0.53%) | 4 (0.45%) | 4 (0.65%) | 0.887 |
Clinical Information | - | - | - | - | - | - | - | - | - |
Height (median) [Q1,Q3] | 124 | 169.4 [162,178] | 167.94 [160, 178] | < 0.001 | 169.4 [162,178] | 166.36 [160,175] | 169.85 [163,178] | 168.08 [160,178] | < 0.001 |
Weight (median,kg) [Q1,Q3] | 213 | 87.44 [69.4, 99] | 84.66 [66, 97] | < 0.001 | 87.44 [69.4, 99] | 81.70 [63,93] | 88.58 [71,101] | 84.4 [67,95.6] | < 0.001 |
Temperature (mean, C) [SD] | 0 | 36.49 [0.54] | 36.50 [0.71] | 0.292 | 36.49 [0.54] | 36.50 [0.54] | 36.53 [0.62] | 36.47 [1.01] | 0.197 |
Respiratory Rate (mean) [SD] | 0 | 23.67 [15.1] | 26.34 [14.98] | < 0.001 | 23.67 [15.1] | 26.1 [14.49] | 26.05 [15.35] | 27.23 [15.30] | < 0.001 |
Intubated | 0 | 162 (6.20%) | 611 (23.21%) | < 0.001 | 162 (6.20%) | 160 (14.2%) | 104 (11.7%) | 347 (56.1%) | < 0.001 |
Ventilator | 0 | 184 (7.04%) | 651 (24.72%) | < 0.001 | 184 (7.04%) | 181 (16.1%) | 113 (12.7%) | 357 (57.8%) | < 0.001 |
Mean BP (mean) [SD] | 0 | 104.70 [38.56] | 111.22 [41.92] | < 0.001 | 104.70 [38.56] | 111.68 [41.12] | 114.5 [39.36] | 105.66 [46.24] | < 0.001 |
Heartrate (mean) [SD] | 0 | 83.99 [29.21] | 95.39 [31.06] | < 0.001 | 83.99 [29.21] | 93.79 [29.85] | 91.02 [28.99] | 104.58 [34.13] | < 0.001 |
Dialysis | 0 | 26 (0.99%) | 50 (1.90%) | 0.008 | 26 (0.99%) | 25 (2.22%) | 10 (1.12%) | 15 (2.43%) | 0.004 |
Glucose (mean) [SD] | 0 | 129.23 [63.53] | 146.67 [74,84] | < 0.001 | 129.23 [63.53] | 138.11 [67.30] | 142.82 [74.96] | 167.77 [83.31] | < 0.001 |
GCSEyes (mean) [SD] | 0 | 3.71 [0.66] | 3.13 [1.11] | < 0.001 | 3.71 [0.66] | 3.3 [0.97] | 3.48 [0.83] | 2.32 [1.31] | < 0.001 |
GCSVerbal (mean) [SD] | 0 | 4.32 [1.25] | 3.26 [1.69] | < 0.001 | 4.32 [1.25] | 3.4 [1.60] | 3.81 [1.52] | 2.21 [1.62] | < 0.001 |
GCSMotor (mean) [SD] | 0 | 5.77 [0.78] | 5.15 [1.46] | < 0.001 | 5.77 [0.78] | 5.42 [1.09] | 5.61 [0.96] | 3.99 [1.95] | < 0.001 |
Apache Variables | - | - | - | - | - | - | - | - | - |
Apache Score (mean) [SD] | 727 | 42.11 [15.5] | 55.76 [21.92] | < 0.001 | 42.11 [15.5] | 53.68 [17.87] | 46.97 [17.23] | 72.19 [25.51] | < 0.001 |
Acute Physiology Score(mean)[SD] | 727 | 30.13 [12.87] | 40.79 [20.88] | < 0.001 | 30.13 [12.87] | 37.61 [16.52] | 33.86 [15.55] | 56.56 [26.01] | < 0.001 |
Predicted ICU Mortality (mean) [SD] | 727 | 0.05 [0.06] | 0.11 [0.15] | < 0.001 | 0.05 [0.06] | 0.09 [0.11] | 0.06 [0.09] | 0.23 [0.20] | < 0.001 |
Predicted Hospital Mortality (mean) [SD] | 727 | 0.11 [0.10] | 0.21 [0.19] | < 0.001 | 0.11 [0.10] | 0.19 [0.15] | 0.14 [0.13] | 0.36 [0.24] | < 0.001 |
Predicted ICU LOS (mean) [SD] | 727 | 2.64 [1.02] | 3.44[1.70] | < 0.001 | 2.64 [1.02] | 3.14 [1.45] | 2.97 [1.32] | 4.66 [2.01] | < 0.001 |
Predicted Hospital LOS (mean) [SD] | 727 | 8.13 [2.20] | 9.19 [2.90] | < 0.001 | 8.13 [2.20] | 8.96 [2.91] | 8.63 [2.53] | 10.44 [3.01] | < 0.001 |