Table 1 Brief screening test developed from six selected items of the Karolinska Scales of Personality
From: Symptoms of somatization as a rapid screening tool for mitochondrial dysfunction in depression
KSP question answered by participants | KSP scale containing the question | KSP Item # | Low vs. normal ATP production rate, Swedish subjects | Mitochondrial vs. control groups, American subjects |
|---|---|---|---|---|
My heart sometimes beats hard or irregularly for no real reason. | Somatic Anxiety | 34 | 10/14 vs. 0/7 P = 0.003 | 13/24 vs. 0/30 P = 3.7 × 10-6 |
I often have aches in my shoulders and in the back of my neck. | Muscular Tension | 4 | 9/14 vs. 1/7 P = 0.031 | 12/24 vs. 1/30 P = 6.7 × 10-5 |
My body often feels stiff and tense. | Muscular Tension | 33 | 9/14 vs. 1/7 P = 0.031 | 5/24 vs. 0/30 P = 0.013 |
I think I must economize my energy. | Psychasthenia | 40 | 8/14 vs. 0/7 P = 0.015 | 6/24 vs. 1/30 P = 0.025 |
In order to get something done I have to spend more energy than most others. | Psychasthenia | 53 | 9/14 vs. 1/7 P = 0.031 | 6/24 vs. 1/30 P = 0.025 |
I feel easily pressured when I am urged to speed up. | Psychasthenia | 93 | 10/14 vs. 1/7 P = 0.014 | 2/24 vs. 1/30 Non-significant (P = 0.42) |