Abstract
In order to establish a structural model of pain, a multivariate statistical analysis was made in the patients whose chief complaint was pain. The subjects consisted of 59 patients who were out-patients of the pain clinic, Osaka Medical College. These patients were given the Questionnaire on Pain and the MAS test and, consequently, tlley were classified into 2 groups, that is 1) the acute pain group and 2) the chronic pain group. Chi-square test was conducted ragarding the numbers of each item counted and the input data were sccured of 30 variables which showed high significant levels. An analysis was made by ACOS-800 II. The results were summarized as follows : 1) When a principal component analysis was made according to the standard with the eigenvalue above 1.0,11 principal components were obtained. 2) A factor analysis was made by choosing 21 variables which were statistically significant out of the original 30 variables. A varimax rotation was conducted according to the standard with the eigenvalue above 2.0. As the result, 4 elements were obtained including 1) the site of pain, 2) pain reaction and a treatment technique directly related to the reaction, 3) the personality of the patients with pain and 4) the situation, the therapist-patient relationship and environmental factors. 3) Another structural analysis of about 100 cases of chronic pain patients was performed in the same method with the same conclusion arising. This result may support the reasonability of the theory model of pain.
