Table 2.

Comparison of length between two groups at different time (mm).

Groups	n	1d	4d	7d	10d	14d	F	p
Air group	8	49.40 ± 2.07	60.00 ± 1.41	69.47 ± 5.08	74.67 ± 6.30	86.62 ± 7.53	84.363	<0.001
Hyperoxia	8	50.60 ± 1.35	59.77 ± 1.36	68.47 ± 1.77	74.53 ± 1.06	86.00 ± 2.71	684.800	<0.001
t		−1.538	0.415	0.721	0.081	0.245
p		0.154	0.682	0.481	0.936	0.809