condition mean min max ZT0-3 117.0232 108.02615 128.5285 ZT4-7 110.7865 110.7865 110.7865 ZT8-11 45.4976 45.4976 45.4976 ZT12-15 78.27507499999999 76.61824999999999 79.9319 ZT16-19 96.2045 96.2045 96.2045 ZT20-23 116.3825 116.3825 116.3825