condition mean min max ZT0-3 81.8 81.8 81.8 ZT4-7 47.7 47.7 47.7 ZT8-11 72.6 72.6 72.6 ZT12-15 148.15 148.15 148.15 ZT16-19 169.9 169.9 169.9 ZT20-23 126.94999999999999 126.94999999999999 126.94999999999999