condition mean min max ZT0-3 679.65 679.65 679.65 ZT4-7 350.9 350.9 350.9 ZT8-11 480.55 480.55 480.55 ZT12-15 568.35 568.35 568.35 ZT16-19 574.25 574.25 574.25 ZT20-23 556.8 556.8 556.8