condition mean min max ZT0-3 159.8 159.8 159.8 ZT4-7 127.5 127.5 127.5 ZT8-11 200.15 200.15 200.15 ZT12-15 137.6 137.6 137.6 ZT16-19 205.4 205.4 205.4 ZT20-23 125.94999999999999 125.94999999999999 125.94999999999999