condition mean min max ZT0-3 161.59 161.59 161.59 ZT4-7 105.37 105.37 105.37 ZT8-11 96.3798 96.3798 96.3798 ZT12-15 107.0475 107.0475 107.0475 ZT16-19 214.894 214.894 214.894 ZT20-23 224.6275 224.6275 224.6275