CHRONIC RENAL FAILURE AND PERIODONTAL DISEASE

Figures & data

Figure 1. Experimental provocation of gingivitis

Table 1. Progress of Gingival Index (GI) in experimental gingivitis

Day	0(x ± SD)	7(x ± SD)	14(x ± SD)	21(x ± SD)	28(x ± SD)
Patients(n = 6)	0.076 ± 0.036	0.586 ± 0.338	1.058 ± 0.286	1.440 ± 0.217	0.096 ± 0.025
Controls(n = 6)	0.066 ± 0.021	0.581 ± 0.209	1.161 ± 0.114	1.311 ± 0.086	0.051 ± 0.022

Table 2. Progress of Plaque Index (PLI) in experimental gingivitis

Day	0(x ± SD)	7(x ± SD)	14(x ± SD)	21(x ± SD)	28(x ± SD)
Patients(n = 6)	0.058 ± 0.064	1.266 ± 0.157	1.476 ± 0.156	1.770 ± 0.242	0.112±0.050
Controls(n = 6)	0.070 ± 0.015	1.091 ± 0.198	1.470 ± 0.174	1.711 ± 0.171	0.092 ± 0.028

Table 3. Comparison of Gingival Crevicular Fluid (GCF) production between patients and controls groups

	Patients(n = 6)	Controls(n = 6)
Day	x ± SD	x ± SD

Figure 2. Chart of gingival index (GI) progress. —–:Patients;- - - - - -: Controls.

Figure 3. Chart of plaque index (PlI) progress. —–:Patients;- - - - - -:Controls.

Figure 4. Chart of gingival crevicular fluid (GCF) progress. —–:Patients;- - - - - -:Controls.

Table 4. Rank correlation among GI, PLI and GCF

	GI-0	GI-7	GI-14	GI-21	PlI-0	PlI-7	PlI-14	PlI-21	GCF-0	GCF-7	GCF-14	GCF-21
GI-0	1	0.52	0.018	0.392	0.278	−0.109	0.109	0.518	−0.113	0.367	0.226	0.265
		(0.08)	(0.96)	(0.207)	(0.381)	(0.735)	(03.7351)	(0.085)	(0.726)	(0.24)	(0.48)	(0.405)
GI-7		1	0.426	0.142	0.160	0.309	0.091	0.526	−0.21	0.214	0.266	0.45
			(0.167)	(0.659)	(0.619)	(0.329)	(0.778)	(0.078)	(0.511)	(0.504)	(0.4)	(0.14)
GI-14			1	0.110	0.023	0.477	0.409	0.35	−0.639	−0.502	−0.42	−0.099
				(0.732)	(0.949)	(0.117)	(0.186)	(0.26)	(0.0254)	(0.096)	(0.174)	(0.765)
GI-21				1	0.023	−0.014	0.417	0.518	0.196	0.195	0.049	0.307
					(0.08)	(0.965)	(0.178)	(0.085)	(0.54)	(0.54)	(0.879)	(0.332)
PlI-0					1	0.498	0.643	0.523	0.188	0.509	0.256	0.55106
						(0.099)	(0.02)	(0.08)	(0.556)	(0.09)	(0.42)	(0.06)
PlI-7						1	0.487	0.27	−0.428	−0.154	−0.09	0.016
							(0.108)	(0.394)	(0.165)	(0.632)	(0.778)	(0.96)
PLI-14							1	0.689	−0.389	−0.242	−0.154	0.399
								(0.013)	(0.21)	(0.449)	(0.63)	(0.198)
PlI-21								1	−0.325	0.046	−0.053	0.389
									(0.262)	(0.888)	(0.87)	(0.21)
GCF-0									1	0.702	0.406	0.323
										(0.011)	(0.19)	(0.306)
GCF-7										1	0.571	0.484
											(0.053)	(0.11)
GCF-14											1	0.699
												(0.018)
GCF-21												1

NOTE: Numbers in brackets represent p-values.

Table 5. Analysis of variance for Ranks of GI

Source of variability	Sum of squares	Degrees of freedom	Mean square	F-test	p.value
Subjects	120.33	1	120.33	39.65	0.0627
Day	7666.67	3	32.90	77.52	0.0001
Residuals	1417.50	43
Total variability	9204.50	47

Table 6. Analysis of variance for Ranks of P1I

Source of variability	Sum of squares	Degrees of freedom	Mean square	F-test	p.value
Subjects	0.75	1	0.75	0.03	0.8722
Day	7975.5	3	2658.50	92.85	0.0001
Residuals	1231.25	43	20.634
Total variability	9207.5	47

Table 7. Analysis of variance for Ranks of GCF

Source of variability	Sum of squares	Degrees of freedom	Mean square	F-test	p.value
Subjects	46.021	1	46.021	0.5	0.4851
Day	5172.375	3	1724.125	18.58	0.0001
Residuals	3990.604	43
Total variability	9209	47