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. 2018 Jun 5;9:488. doi: 10.3389/fphar.2018.00488

Table 2.

Patient characteristics.

n = 92
Age (years)
    Average ± standard deviation 67.0 ± 11.6
Sex n (%)
    Male 71 (77.2)
    Female 21 (22.8)
Dialysis period (months)
    Median value 81.5
    (interquartile range) (29–136.5)
Causative disease
    Diabetes mellitus 46 (50.0)
    Kidney disease 46 (50.0)
Comorbidities (ICD-10)
     1. Certain infectious and parasitic diseases 12 (13.0)
     2. Neoplasms 7 (7.6)
     3. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism 31 (33.7)
     4. Endocrine, nutritional, and metabolic diseases 88 (95.7)
     5. Mental and behavioral disorders 11 (12.0)
     6. Diseases of the nervous system 18 (19.6)
     7. Diseases of the eye and adnexa 51 (55.4)
     8. Diseases of the ear and mastoid process 3 (3.3)
     9. Diseases of the circulatory system 90 (97.8)
     10. Diseases of the respiratory system 24 (26.1)
     11. Diseases of the digestive system 57 (62.0)
     12. Diseases of the skin and subcutaneous tissue 15 (16.3)
     13. Diseases of the musculoskeletal system and connective tissue 54 (58.7)
     14. Diseases of the genitourinary system 9 (9.8)
     15. Pregnancy, childbirth, and the puerperium 0 (0.0)
     16. Certain conditions originating in the perinatal period 0 (0.0)
     17. Congenital malformations, deformations, and chromosomal abnormalities 1 (1.1)
     18. Symptoms, signs, and abnormal clinical and laboratory findings, not elsewhere classified 34 (37.0)
     19. Injury, poisoning, and certain other consequences of external causes 7 (7.6)
     20. External causes of morbidity and mortality 0 (0.0)
     21. Factors influencing health status and contact with health services 0 (0.0)
     22. Codes for special purposes 0 (0.0)
Education
    Elementary or junior high graduate 26 (28.3)
    High school graduate or university entrance exam 40 (43.5)
    Technical school graduate or university drop-out 12 (13.0)
    Junior college graduate 0 (0.0)
    University graduate (4 years or more) 14 (15.2)
    Graduate school completed 0 (0.0)
Married
    Yes 73 (79.3)
    No 19 (20.7)
Housemates
    Lives alone 18 (19.6)
    Husband or wife (including unmarried) 43 (46.7)
    Other family members 31 (33.7)
    Individual other than a family member 0 (0.0)
Questionnaire completion period
    During dialysis treatment 74 (80.4)
    After bringing home 18 (19.6)
    Other 0 (0.0)
Assistance completing questionnaire
    Yes 76 (82.6)
    No 16 (17.4)
Reason for assistance (n = 76)
    Vision impaired 7 (9.2)
    Unable to write 69 (90.8)
    Other 0 (0.0)