condition mean min max ZT0-3 88.4 88.4 88.4 ZT4-7 70.9 70.9 70.9 ZT8-11 66.2 66.2 66.2 ZT12-15 102.5 102.5 102.5 ZT16-19 68.0 68.0 68.0 ZT20-23 71.6 71.6 71.6