Table 5.

Correlates of the magnitude of discrepant reporting of first nephrology care between the Medical Evidence Report and claims data

First Outpatient Nephrology ConsultationaFirst Nephrology Consultation (Any)b
Average Discrepancy95% CIP ValueAverage Discrepancy95% CIP Value
Age (yrs)0.745<0.001
 71–75 versus 67–70 0.00(−0.03, 0.03)−0.01(−0.03, 0.02)
 76–80 versus 67–70 0.01(−0.02, 0.03)0.01(−0.02, 0.03)
 81–85 versus 67–70 0.00(−0.03, 0.03)0.02(−0.01, 0.05)
 86–90 versus 67–70 0.02(−0.02, 0.06)0.06(0.02, 0.09)
 >90 versus 67–70 −0.04(−0.11, 0.04)0.08(0.01, 0.15)
Sex<0.001<0.001
 Male versus female0.03(0.01, 0.05)0.07(0.06, 0.09)
Race<0.001<0.001
 black versus white0.05(0.02, 0.07)0.12(0.09, 0.14)
 Asian versus white−0.06(−0.12, −0.01)−0.10(−0.15, −0.04)
 Native American versus white−0.23(−0.33, −0.13)−0.18(−0.29, −0.08)
 other versus white0.29(−0.17, 0.74)0.11(−0.33, 0.56)
Underlying cause of disease<0.001<0.001
 hypertension versus diabetes−0.01(−0.03, 0.01)−0.03(−0.05, −0.01)
 GN versus diabetes−0.04(−0.09, 0.00)−0.14(−0.18, −0.10)
 CKD versus diabetes−0.03(−0.11, 0.05)−0.24(−0.32, −0.16)
 other diseases versus diabetes−0.08(−0.11, −0.06)0.04(0.02, 0.07)
Year of incidence<0.001<0.001
 2006 versus 20050.06(0.03, 0.09)0.02(−0.01, 0.05)
 2007 versus 20050.08(0.05, 0.11)0.04(0.01, 0.07)
 2008 versus 20050.13(0.10, 0.16)0.09(0.06, 0.12)
  • a Intercept=0.01 (95% CI, −0.02, 0.04); reflecting average discrepancy for a patient with all referent characteristics.

  • b Intercept=0.34 (95% CI, 0.31, 0.37); reflecting average discrepancy for a patient with all referent characteristics.