condition mean min max ZT0-3 152.05 152.05 152.05 ZT4-7 131.6 131.6 131.6 ZT8-11 88.65 88.65 88.65 ZT12-15 145.45 145.45 145.45 ZT16-19 143.5 143.5 143.5 ZT20-23 154.05 154.05 154.05