condition mean min max ZT0-3 137.326 137.326 137.326 ZT4-7 128.4325 128.4325 128.4325 ZT8-11 113.862 113.862 113.862 ZT12-15 132.7175 132.7175 132.7175 ZT16-19 136.9 136.9 136.9 ZT20-23 144.9045 144.9045 144.9045