Table 2.

Comparison of patients by purgative type

ParameterPurgative TypeP
OSP (n = 6432)PEG (n = 3367)
n% or Mean ± SDn% or Mean ± SD
Age (yr)61.2 ± 8.766.2 ± 10.0<0.001
Black race96114.990326.8<0.001
White race352554.8178052.90.070
Male gender349354.3181553.90.717
Diabetes115117.9121736.1<0.001
Hypertension372357.9255475.9<0.001
ASCVD6299.874222.0<0.001
CHF1151.82246.7<0.001
CKDa3936.155216.4<0.001
Proteinuria2854.42346.9<0.001
NSAID use152023.669620.70.001
ACEI or ARB use166225.8122336.3<0.001
Diuretic use138921.6101030.0<0.001
Contrast exposure6239.737411.10.029
Colorectal cancer1251.96920.760
Accrual period (d)923.7 ± 430.3983.1 ± 477.7<0.001
No. of physician visits10.4 ± 15.312.6 ± 19.30.001
Preprocedure creatinine (mg/dl)0.98 ± 0.231.01 ± 0.40<0.001
Precreatinine interval (d)93.5 ± 79.575.0 ± 71.0<0.001
Preprocedure eGFR (ml/min per 1.73 m2)88.0 ± 20.182.2 ± 23.8<0.001
Postprocedure creatinine (mg/dl)0.99 ± 0.281.11 ± 0.43<0.001
Postcreatinine interval (d)137.2 ± 104.3104.6 ± 93.0<0.001
  • a Defined as MDRD eGFR of <60 ml/min per 1.73 m2.