condition mean min max ZT0-3 348.3 348.3 348.3 ZT4-7 287.3 287.3 287.3 ZT8-11 307.2 307.2 307.2 ZT12-15 364.25 364.25 364.25 ZT16-19 383.8 383.8 383.8 ZT20-23 368.4 368.4 368.4