condition mean min max ZT0-3 103.4 103.4 103.4 ZT4-7 208.4 208.4 208.4 ZT8-11 204.3 204.3 204.3 ZT12-15 202.35 202.35 202.35 ZT16-19 147.2 147.2 147.2 ZT20-23 110.9 110.9 110.9