Table 3.

Cross-tabulation of first nephrologist consultation, dichotomized at 12 months: Medical Evidence Report versus claims data

Medical Evidence ReportFirst Outpatient Nephrology Consultation (κ=0.36)First Nephrology Consultation(Any) (κ=0.33)Total
ClaimClaim
None or 0–12 mo prior>12 mo agoNone or 0–12 mo prior >12 mo ago
0–12 mo prior or none39,10617,57235,91120,76756,678
 (row %)0.690.310.630.370.70
 (column %)0.850.510.860.54
>12 mo ago674817,083564717,88423,831
0.280.720.250.750.30
0.150.490.140.46
Total45,85434,65541,85838,65180,509
0.570.430.520.48