Comorbidity Assessment in Skin Cancer Patients: A Pilot Study Comparing Medical Interview with a Patient-Reported Questionnaire

Table 3

Percent agreement and kappa between medical interview (MI) and PRACE-27 assessments for data grouped by disease system and overall comorbidity scores.

Organ system	Percent agreement	Kappa	value
Cardiovascular	98.7	0.80	<0.001
Respiratory	94.7	0.40	<0.001
Gastrointestinal	99.2	—	—
Renal	100	—	—
Endocrine	98.7	0.84	<0.001
Neurologic	98.8	0.77	<0.001
Psychiatric	96.0	−0.04	0.62
Rheumatologic	97.7	—	—
Immunological	100	—	—
Malignancy	98.7	0.84	<0.001
Substance abuse	100	—	—
Obesity	100	—	—