condition mean min max ZT0-3 103.2 103.2 103.2 ZT4-7 122.0 122.0 122.0 ZT8-11 112.85 112.85 112.85 ZT12-15 100.35 100.35 100.35 ZT16-19 110.4 110.4 110.4 ZT20-23 128.8 128.8 128.8