condition mean min max ZT0-3 125.9 125.9 125.9 ZT4-7 114.1 114.1 114.1 ZT8-11 158.5 158.5 158.5 ZT12-15 149.15 149.15 149.15 ZT16-19 124.8 124.8 124.8 ZT20-23 124.8 124.8 124.8