Baseline Characteristics of Postherpetic Neuralgic Pain Patients With Chronic Renal Failure
Stage of chronic kidney disease (CKD): Stage 1-kidney damage with normal or increased GFR (GFR ≥ 90 ml/min/1.73 m2); Stage 2-kidney damage with mild reduction in GFR (GFR = 60-89 ml/min/1.73 m2); Stage 3-Moderate reduction in GFR (Stage 3A: GFR = 45-59 ml/min/1.73 m2, Stage 3B: GFR = 30-44 ml/min/1.73 m2); Stage 4-Severe reduction in GFR (GFR = 15-29 ml/min/1.73 m2); Stage 5-kidney failure (GFR = 15 ml/min/1.73 m2) [modified from http://www.nice.org.uk/nicemedia/live/12069/42116/42116.pdf].
Comorbidity: 1. diabetes mellitus, 2. hypertension, 3. cerebrovascular disorders. GFR: glomerular filtration rate.
