condition mean min max ZT0-3 105.6 105.6 105.6 ZT4-7 112.2 112.2 112.2 ZT8-11 95.85 95.85 95.85 ZT12-15 96.75 96.75 96.75 ZT16-19 122.5 122.5 122.5 ZT20-23 117.4 117.4 117.4