condition mean min max ZT0-3 85.9 85.9 85.9 ZT4-7 76.3 76.3 76.3 ZT8-11 105.0 105.0 105.0 ZT12-15 105.15 105.15 105.15 ZT16-19 77.2 77.2 77.2 ZT20-23 82.25 82.25 82.25