a significant trendp = 0.002
The seven-category ordinal scale in the prone group indicated a significant trend relationship with time course ( p = 0.002), although this association was not observed in the non-prone group ( p = 0.102).
The seven-category ordinal scale in the prone group indicated a significant trend relationship with time course ( p = 0.002), although this association was not observed in the non-prone group ( p = 0.102).