Dimensional Changes of the Soft Tissue after Alveolar Ridge Preservation with a Collagen Material. A Clinical Randomized Trial

Table 2: Dimensional changes of the soft tissue of the total cohort in the Alveolar Ridge Preservation group (ARP) and the control group with information about the negative - maxima and minima of loss of dimension as well as the medians [unit: mm].

Parameter	Measure	Valid Datasets	Maximum	Median	Minimum	Hypothesistest
Max negative	ARP	31	-3.99	-2.52	-1.30	0.23
Max negative	Control	29	-5.00	-2.14	-1.02	0.23
Mean negative	ARP	31	-1.56	-0.76	1.72	0.34
Mean negative	Control	29	-1.59	-0.83	-0.30	0.34
Standard deviation	ARP	31	0.29	0.54	1.24	0.52
Standard deviation	Control	29	0.25	0.57	1.59	0.52