Preferences regarding type of nephrology guidance that should be provided for hypothetical patient with CKD. *P < 0.05. ‡Percentage of physicians recommending referral and desiring collaborative care (105 PCPs, 113 nephrologists) who desire a specific type of nephrology guidance. “^Other” includes metabolic bone disease (0% of PCPs, 15% of nephrologists), anemia (1% of PCPs, 14% of nephrologists), hypertension (1% of PCPs, 4% of nephrologists), pretransplant education (0% of PCPs, 2% of nephrologists), lipids (0% of PCPs, 6% of nephrologists), CKD/ESRD education (1% of PCPs, 3% of nephrologists), and acid-base (0% of PCPs, 4% of nephrologists).