Table 1 Comparison of baseline information in the training set and the test set.
From: Study on the prognosis predictive model of COVID-19 patients based on CT radiomics
Training set (n = 124) | Test set (n = 64) | All (n = 188) | P-value | |
|---|---|---|---|---|
Age | 57.0 [51.0;67.0] | 58.5 [49.8;68.0] | 57.5 [50.0;67.0] | 0.887 |
Sex | 0.437 | |||
Male | 67 (54.0%) | 30 (46.9%) | 97 (51.6%) | |
Female | 57 (46.0%) | 34 (53.1%) | 91 (48.4%) | |
Temperature (℃) | 37.7 [37.0;38.2] | 37.5 [36.8;38.1] | 37.6 [36.9;38.2] | 0.067 |
Length of hospitalization | 21.0 [17.0;27.0] | 19.0 [14.8;21.2] | 20.0 [16.0;24.0] | 0.001 |
Interval from symptoms to discharge | 27.5 [23.0;35.2] | 24.0 [21.0;28.0] | 26.0 [22.0;32.0] | 0.001 |
Complication | ||||
Angiocardiopathy | 33 (26.6%) | 16 (25.0%) | 49 (26.1%) | 0.949 |
diabetes | 26 (21.0%) | 8 (12.5%) | 34 (18.1%) | 0.219 |
hypertension | 36 (29.0%) | 13 (20.3%) | 49 (26.1%) | 0.265 |
COPD | 18 (14.5%) | 9 (14.1%) | 27 (14.4%) | 1.000 |
chronic liver disease | 10 (8.06%) | 7 (10.9%) | 17 (9.04%) | 0.702 |
chronic kidney disease | 8 (6.45%) | 7 (10.9%) | 15 (7.98%) | 0.429 |
Symptom | ||||
Fever | 102 (82.3%) | 42 (65.6%) | 144 (76.6%) | 0.018 |
Cough | 78 (63.4%) | 21 (32.8%) | 99 (52.9%) | < 0.001 |
Muscular soreness | 31 (25.0%) | 8 (12.5%) | 39 (20.7%) | 0.070 |
Headache | 16 (13.0%) | 8 (12.5%) | 24 (12.8%) | 1.000 |
Diarrhea | 15 (12.1%) | 5 (7.81%) | 20 (10.6%) | 0.514 |
Laboratory | ||||
white blood cell, *109/L | 5.32 [4.31;6.66] | 5.38 [4.59;6.47] | 5.33 [4.39;6.58] | 0.750 |
Neutrophil, *109/L | 3.22 [2.52;4.58] | 3.66 [3.09;4.60] | 3.38 [2.65;4.58] | 0.037 |
Lymphocyte, *109/L | 1.10 [0.69;1.45] | 1.23 [0.90;1.44] | 1.18 [0.72;1.45] | 0.181 |
Hemoglobin, g/L | 108 (21.5) | 107 (17.8) | 108 (20.2) | 0.870 |
D-dimer, mg/L | 1.85 [1.01;5.41] | 1.90 [1.02;7.32] | 1.88 [1.01;6.59] | 0.258 |
C-reactive protein, ml/L | 20.3 [8.78;52.0] | 18.9 [10.2;27.1] | 19.6 [8.78;39.8] | 0.354 |
Albumin, g/L | 37.3 [34.0;41.3] | 36.7 [34.0;39.8] | 37.1 [34.0;40.9] | 0.330 |
LDH, U/L | 428 [342;559] | 399 [337;467] | 411 [338;518] | 0.055 |
