Beni-Suef University Journal of Basic and Applied Sciences

Table 3 Comparison of alkaline phosphatase assay (ALP assay) and Acid phosphatase assay (ACP assay) before and after placement at 4 weeks and at 6 weeks of the test group

From: Osteoinductive effect of the nanoparticulate form of Cissus quadrangularis ethanolic extract on implant surface in experimental animals

Timeline	Assay	Placement	N	Mean	S.D	S.E	M.D	95% CI	Z value	P value^#
4 weeks	ALP	Before	2	3.44	0.97	0.68	− 32.02	− 44.88–19.16	− 31.648	0.020^†
		After	2	35.47	2.40	1.70
	ACP	Before	2	2.37	1.59	1.13	0.39	− 4.11–4.90	1.113	0.466
		After	2	1.97	1.09	0.77
6 weeks	ALP	Before	2	10.32	0.97	0.69	− 25.79	− 73.65–22.05	− 6.849	0.042^†
		After	2	36.12	4.35	3.07
	ACP	Before^a	2	3.25	0.35	0.25	–	–	–	–
		After^a	2	1.50	0.35	0.25

^#p value derived from paired t test; ^a the correlation and t cannot be computed because the standard error of the difference is 0. ^†significant at p < 0.05

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