approached significanceP=0.046
At greater threshold distances fewer of the comparisons approached significance, except when >6–8 km was compared with >8 km at severe and ultrasevere cut-offs (P=0.046 and P=0.056).
At greater threshold distances fewer of the comparisons approached significance, except when >6–8 km was compared with >8 km at severe and ultrasevere cut-offs (P=0.046 and P=0.056).