Clinical Phenotype of Diabetic Peripheral Neuropathy and Relation to Symptom Patterns: Cluster and Factor Analysis in Patients with Type 2 Diabetes in Korea

Table 4

Varimax rotated factor loadings for Michigan Neuropathy Screening Instrument (MNSI) questionnaire items.

MNSI items	Factor	Factor	Factor
	1	2	3
Number 2. Do you ever have any burning pain in your legs and/or feet?	0.662	0.076	−0.057
Number 11. Are your symptoms worse at night?	0.648	−0.003	−0.030
Number 5. Do you ever have any prickling feelings in your legs or feet?	0.609	0.014	0.158
Number 1. Are your legs and/or feet numb?	0.566	−0.068	0.125
Number 3. Are your feet too sensitive to touch?	0.536	0.020	0.119
Number 6. Does it hurt when the bed covers touch your skin?	0.410	0.351	0.037
Number 14. Is the skin on your feet so dry that it cracks open?	0.263	−0.042	0.202
Number 13. Are you able to sense your feet when you walk?	−0.058	0.769	0.063
Number 7. When you get into the tub or shower, are you able to tell the hot water from the cold water?	0.022	0.758	0.050
Number 15. Have you ever had an amputation?	−0.122	−0.021	0.781
Number 8. Have you ever had an open sore on your foot?	0.195	0.173	0.654
Number 12. Do your legs hurt when you walk?	0.334	0.010	0.394
Variance, %	19.8	12.1	11.5

Factor loadings ≥ 0.40 are in bold.