Table 2.

DMFT and simplified debris, calculus and oral hygiene indices in a control group, different stages of chronic kidney disease (CKD), kidney transplant recipients (KTR) and nephrotic syndrome (NS)

	Control n = 81 Median (IQR)	CKD 1–3 n = 31 Median (IQR)	CKD 4–5 n = 17 Median (IQR)	KTR n = 17 Median (IQR)	NS n = 21 Median (IQR)
DMFT	1 [0;2]	0 [0;0.5]*	0 [0;1]	2 [1;4]	2 [0;3]
DI-S	0.33 [0;0,5]	0.83 [0.5;1]****	1 [1;1.5]****	0.67 [0.33;1]**	0.5 [0.33;0.67]
CI-S	0.17 [0;0.5]	0.67 [0.5;1]****	1 [0.5;2]****	0.83 [0.29;1]***	0.33 [0;0.5]
OHI-S	0.5 [0;1]	1.5 [1;2]****	2 [1.5;3.33]****	1.33 [0.83;2]***	0.83 [0.33;1.17]

^*p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001

n, number; IQR, interquartile range; CKD, chronic kidney disease; KTR, kidney transplant recipients; NS, nephrotic syndrome; DMFT, decayed-missing-filled; DI-S, simplified debris index; CI-S, simplified calculus index; OHI-S, simplified oral hygiene index