condition mean min max ZT0-3 4838.3 4838.3 4838.3 ZT4-7 4841.1 4841.1 4841.1 ZT8-11 4773.35 4773.35 4773.35 ZT12-15 5986.15 5986.15 5986.15 ZT16-19 7338.15 7338.15 7338.15 ZT20-23 6576.85 6576.85 6576.85