condition mean min max ZT0-3 208.95 208.95 208.95 ZT4-7 81.2 81.2 81.2 ZT8-11 70.25 70.25 70.25 ZT12-15 128.35 128.35 128.35 ZT16-19 329.8 329.8 329.8 ZT20-23 281.25 281.25 281.25