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

Table 3

Histology scores.

Parameter	Group 1 𝑁=12 mean ± SD	Group 2 𝑁=10 mean ± SD	Statistics	𝑃 value
Mean epithelial height	38.02±12.96	33.62±11.52	𝑇-independent test	0.415 (95% confidence interval: −6.62437–15.41171)
Edema	1.83±1.267	1.80±1.033	Chi square	0.505 (Chi Sq Val = 2.338)
Fibrosis	1.75±1.422	1.60±1.174	Chi square	0.417 (Chi Sq Val = 2.842)
Cilia	1.36±1.206	1.00±1.054	Chi square	0.774 (Chi Sq Val = 1.113)
Mononuclear cell infiltrate	1.42±0.996	1.40±1.075	Mann-Whitney	0.945 (𝑈=59)

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