Relationship between Tongue Temperature Estimated by Infrared Thermography, Tongue Color, and Cold-Heat Pathological Patterns: A Retrospective Chart Review Study
Table 5
Factor analysis of cold and heat patterns in the cold-heat pattern questionnaire.
Item
Cold Pattern
Item
Heat Pattern
Factor 1
Factor 2
Factor 1
Factor 2
Factor 3
Coldness in the limbs
0.860
-0.047
Feverish pain
0.852
0.053
-0.118
Cold pain
0.633
0.339
Body heat
0.678
-0.248
0.233
Coldness in the abdomen
0.606
0.097
Flushed face and eyes
0.638
0.202
-0.077
Aversion to cold
0.588
-0.100
Heat in the limbs
0.584
0.028
0.221
Preference for heat
0.538
-0.024
Thick yellow sputum and nasal mucus
0.025
0.635
-0.013
Prolonged voiding of colorless urine
-0.044
0.574
Dry stool
0.082
0.581
-0.114
Absence of thirst
0.080
0.514
Hot breath
0.259
0.539
0.124
Loose stools
0.106
0.497
Scanty voiding of dark-colored urine
-0.118
0.468
0.126
Pale face
0.281
0.469
Preference for cold
-0.003
-0.026
0.789
Thin clear sputum and nasal mucus
-0.122
0.328
Thirst
0.090
0.137
0.306
Variance explained (%)
26.67
10.34
Variance explained (%)
27.00
11.02
6.90
Note: bold numbers indicate the greatest factor loading among the three factors and their corresponding items.
