very close to significancep = 0.051
Statistical analysis indicates that the reduction in bilateral posterior discharges between the group of 3 to ≤6 years and that of 6 to ≤10 is very close to significance ( p = 0.051, binomial statistics) and the comparison between cases of 3 to ≤6 years and the group with the oldest cases is statistically significant ( p = 0.028, binomial statistics).