Bulletin of the National Research Centre

Table 4 Frequencies, percentages (%) and results of the Chi-square test for comparison of demographic data of the two main groups

From: Effect of incorporation of nano-hydroxyapatite particles on the clinical performance of conventional and resin-modified glass ionomer cement in class V cavities: split-mouth, randomized controlled trial

	CGIC NHA-GIC (n = 30) patients	RMGIC NHA-RMGI (n = 30) patients	P value
Age			0.705
25–35 y	12 (40%)	10 (33.3%)	0.705
35–45 y	18 (60%)	20 (66.7%)
Gender			0.713
Male	14 (46.7)	12 (40%)
Female	16 (53.3)	18 (60%)
Marital status			0.169
Single	10 (33.3%)	2 (6.7%)
Married	20 (66.7%)	28 (93.3%)
Arch			0.243
Upper	40 (66.7%)	48 (80%)
Lower	20 (33.3%)	12 (20%)
Tooth type			0.480
Central incisor	16 (26.7%)	16 (26.7%)
Lateral incisor	16 (26.7%)	24 (40%)
Canine	28 (46.7%)	20 (33.3%)

*Significant at P ≤ 0.05

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