condition mean min max ZT0-3 84.05 84.05 84.05 ZT4-7 84.6 84.6 84.6 ZT8-11 77.05 77.05 77.05 ZT12-15 93.9 93.9 93.9 ZT16-19 106.4 106.4 106.4 ZT20-23 118.75 118.75 118.75