condition mean min max ZT0-3 107.05 107.05 107.05 ZT4-7 159.9 159.9 159.9 ZT8-11 131.7 131.7 131.7 ZT12-15 117.44999999999999 117.44999999999999 117.44999999999999 ZT16-19 98.15 98.15 98.15 ZT20-23 167.1 167.1 167.1