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. 2023 May 4;10:1170331. doi: 10.3389/fmed.2023.1170331

TABLE 3.

The PCA correlation table shows the correlation between the most differentiating predictors.

Age > 65 BMI > 24.8 Hypertension Cancers Cardiovascular diseases Chronic kidney disease Diabetes Rheumatological diseases Loss of consciousness Heart abnormal findings Trembling Sputum Muscle pain myalgia Loss of taste Loss of smell Limb edema Oxygen saturation < 88 Potassium
> 4
ALT > 13
Age > 65 1 -0.08 0.303 0.021 0.263 0.075 0.16 0.023 0.022 0.111 -0.11 0.006 -0.13 -0.08 -0.1 0.007 -0.12 0.02 -0.01
BMI > 24.8 -0.08 1 -0.01 -0.08 -0.01 0.01 0.012 0.006 0.009 0.09 0.121 0.042 0.087 0.085 0.045 -0.02 0.053 -0.01 0.061
Hypertension 0.303 -0.01 1 -0.02 0.335 0.178 0.287 0.035 0.08 0.247 -0.1 0.015 -0.07 -0.05 0.09 0.075 -0.1 0.04 0.016
Cancers 0.021 -0.08 -0.02 1 -0.03 0.023 0.003 -0 0.061 0.092 -0.08 0.021 -0.1 -0.03 -0.03 0.055 0.007 0.005 -0.01
Cardiovascular diseases 0.263 -0.01 0.335 -0.03 1 0.145 0.158 0.02 0.028 0.202 -0.1 0.014 -0.06 -0.04 -0.05 0.093 -0.07 0.022 0.018
Chronic kidney disease 0.075 0.01 0.178 0.023 0.145 1 0.131 0.059 0.15 0.164 -0.01 0.029 -0.02 -0.05 -0.04 0.096 -0.05 0.066 0.087
Diabetes 0.16 0.012 0.287 0.003 0.158 0.131 1 0.023 0.042 0.045 -0.06 0.024 -0.02 0.002 -0.02 0.019 -0.05 -0.03 -0.01
Rheumatological diseases 0.023 0.006 0.035 -0 0.02 0.059 0.023 1 0.011 0.013 -0.01 0.007 -0.02 -0.03 -0.03 0.056 -0.03 -0.01 0.001
Loss of consciousness 0.022 0.009 0.08 0.061 0.028 0.15 0.042 0.011 1 0.063 -0.02 0.04 -0.04 0.013 -0.01 0.018 -0.1 -0 -0.01
Heart abnormal findings 0.111 0.09 0.247 0.092 0.202 0.164 0.045 0.013 0.063 1 -0.11 -0.04 -0.12 -0.02 -0.03 0.115 -0.11 0.054 0.041
Trembling -0.11 0.121 -0.1 -0.08 -0.1 -0.01 -0.06 -0.01 -0.02 -0.11 1 0.018 0.219 0.097 0.102 -0.03 0.073 -0 -0.04
Sputum 0.006 0.042 0.015 0.021 0.014 0.029 0.024 0.007 0.04 -0.04 0.018 1 0.06 0.074 0.066 -0.04 0.003 0.032 -0.04
Muscle aain myalgia -0.13 0.087 -0.07 -0.1 -0.06 -0.02 -0.02 -0.02 -0.04 -0.12 0.219 0.06 1 0.11 0.097 -0.06 0.012 -0 -0
Loss of taste -0.08 0.085 -0.05 -0.03 -0.04 -0.05 0.002 -0.03 0.013 -0.02 0.097 0.074 0.11 1 0.64 0.007 0.075 -0.04 -0.02
Loss of smell -0.1 0.045 0.09 -0.03 -0.05 -0.04 -0.02 -0.03 -0.01 -0.03 0.102 0.066 0.097 0.64 1 -0 0.072 -0.03 -0.01
Limb edema 0.007 -0.02 0.075 0.055 0.093 0.096 0.019 0.056 0.018 0.115 -0.03 -0.04 -0.06 0.007 -0 1 -0.04 0.024 0.023
Oxygen saturation < 88 -0.12 0.053 -0.1 0.007 -0.07 -0.05 -0.05 -0.03 -0.1 -0.11 0.073 0.003 0.012 0.075 0.072 -0.04 1 -0.03 -0.04
Potassium > 4 0.02 -0.01 0.04 0.005 0.022 0.066 -0.03 -0.01 -0 0.054 -0 0.032 -0 -0.04 -0.03 0.024 -0.03 1 0.044
ALT > 13 -0.01 0.061 0.016 -0.01 0.018 0.087 -0.01 0.001 -0.01 0.041 -0.04 -0.04 -0 -0.02 -0.01 0.023 -0.04 0.044 1

Cardiovascular diseases, chronic kidney disease and hypertension have more correlation with other predictors. Positive correlations are shown in red while negative correlations are shown in blue. The intensity of the color is related to correlation coefficients.