condition mean min max ZT0-3 443.85 443.85 443.85 ZT4-7 368.8 368.8 368.8 ZT8-11 398.35 398.35 398.35 ZT12-15 410.15 410.15 410.15 ZT16-19 612.05 612.05 612.05 ZT20-23 574.3 574.3 574.3