Table 3.

Characteristics of patients with and without chronic pain

CharacteristicChronic PainNo Chronic PainPa
n5149
Gender: male/female19/3226/23NS
Age (yr; mean ± SD)64.0 ± 12.565.0 ± 15.2NS
Time on dialysis (mo; mean ± SD)48.0 ± 50.232.5 ± 29.7NS
Origin: Arab/non-Arab17/3414/35NS
Hypertension: yes/no42/945/4NS
Diabetes: yes/no30/2123/26NS
Diabetic retinopathy: yes/no26/2510/390.002
Diabetic neuropathy: yes/no23/285/440.001
IHD: yes/no26/2520/29NS
PAD: yes/no9/425/44NS
CVA: yes/no8/4310/39NS
BMI (kg/m2; mean ± SD)28.9 ± 7.127.2 ± 6.7NS
Kt/V (mean ± SD)1.33 ± 0.221.41 ± 0.27NS
Malignancy: yes/no11/4010/39NS
Calcium (mg/dl; mean ± SD)9.6 ± 0.79.3 ± 0.50.008
Phosphorus (mg/dl; mean ± SD)5.3 ± 1.35.1 ± 1.4NS
Calcium-phosphorus product (mg2/dl2; mean ± SD)51.0 ± 13.147.6 ± 13.8NS
iPTH (pg/ml; mean ± SD)180 ± 180110 ± 860.016
25 (OH)D3 (μg/L; mean ± SD)17.4 ± 9.419.9 ± 10.6NS
Calcitriol (pg/ml; mean ± SD)14.3 ± 6.018.0 ± 8.00.01
Albumin (g/dl; mean ± SD)3.8 ± 0.33.8 ± 0.4NS
Hemoglobin (g/dl; mean ± SD)11.8 ± 1.212.0 ± 1.1NS
Iron (μg/dl; mean ± SD)70.9 ± 24.972.3 ± 22.2NS
Vitamin B12 (ng/L; mean ± SD)653 ± 283588 ± 267NS
Folic Acid (μg/L; mean ± SD)8.7 ± 2.49.2 ± 1.9NS
Ferritin (μg/L; mean ± SD)1172 ± 6501107 ± 561NS
CRP (mg/dl; mean ± SD)1.52 ± 1.412.02 ± 3.71NS
  • a NS, P > 0.05.