Research Article
A Longitudinal Study of the Reliability of Acupuncture Deqi Sensations in Knee Osteoarthritis
Table 6
Results of principal component analysis.
| Variable | Factor 1 | Factor 2 |
| Heaviness | .90 | — | Fullness/distension | .87 | — | Dull pain | .81 | — | Cold | .81 | — | Deep pressure | .75 | .55 | Soreness | .75 | .40 | Aching | .75 | .55 | Numbness | .60 | .56 | Sharp pain | .54 | .71 | Warmth | .42 | .49 | Throbbing | — | .95 | Tingling | — | .85 |
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