Table 6:

Result of post hoc Mann–Whitney U test

Group	Groups	Systemic		Control
		Mean difference	p-value	Mean difference	p-value
Group I	Group IIA	−0.16	0.83	−0.01	0.54
	Group IIB	0.07	0.94	3.94	0.00***
	Group IIIA	−0.17	0.88	−0.19	0.81
	Group IIIB	0.18	0.28	1.33	0.012*
	Group IVA	0.36	0.14	−0.29	0.90
	Group IVB	0.58	0.058	2.19	0.003**
Group IIA	Group IIB	0.23	0.22	3.95	0.00***
	Group IIIA	−0.01	0.48	−0.18	0.44
	Group IIIB	0.34	0.11	1.35	0.08
	Group IVA	0.53	0.059	−0.28	0.72
	Group IVB	0.74	0.005**	2.21	0.018*
Group IIB	Group IIIA	−0.25	0.84	−4.13	0.00***
	Group IIIB	0.10	0.28	−2.60	0.005**
	Group IVA	0.294	0.16	−4.23	0.001***
	Group IVB	0.50	0.057	−1.74	0.12
Group IIIA	Group IIIB	0.36	0.16	1.53	0.007**
	Group IVA	0.54	0.081	−0.10	0.94
	Group IVB	0.75	0.023*	2.39	0.001***
Group IIIB	Group IVA	0.1860	0.60	−1.6	0.08
	Group IVB	0.3980	0.34	0.86	0.43
Group IVA	Group IVB	0.2120	0.74	2.49	0.037*

Significant at *p ≤ 0.05; **p ≤ 0.01; ***p ≤ 0.001