Effects of Cryotherapy on the Maxillary Antrostomy Patency in a Rabbit Model of Chronic Rhinosinusitis

Table 2

Mean values of antrostomy diameters and areas for both animal groups.

	Group 1 (𝑁=12) mean ± SD	Group 2 (𝑁=10) mean ± SD	Statistics	𝑃 value
Initial diameter (mm)	8.14±2.31	8±1.82	Mann-Whitney 𝑈 test	0.005
Final diameter (mm)	9.73±2.92	7.2±2.61
Initial area (mm^2)	72.86±23.62	74.79±25.43	Mann-Whitney 𝑈 test	0.002
Final area (mm^2)	103.92±30.39	61.62±28.35

Group 1: cryotherapy.
Group 2: control.
SD: standard deviation.