The average annual number of OPD visits and expenditures per person in WM and DENT among eligible patients and different CKD stages from 2000 to 2008.

The eligible subjects were recruited patient from 2008 to 2010. N = 10,457. Abbreviations: CKD, chronic kidney disease; DENT, Dentistry; HC, healthy control; HR, high risk NT$, new Taiwan dollars; OPD, outpatient; WM, Western Medicine. aExpenditures were rounded to the nearest whole dollar. bANOVA. P<0.05 was considered statistically significant. cScheffe's test : CKD>HR>HC. dScheffe's test : HR>HC. eScheffe's test :Stage5>Stage4>Stage3b>Stage3a>Stage2>Stage1.