condition mean min max ZT0-3 134.15 134.15 134.15 ZT4-7 100.4 100.4 100.4 ZT8-11 64.5 64.5 64.5 ZT12-15 122.15 122.15 122.15 ZT16-19 118.0 118.0 118.0 ZT20-23 146.05 146.05 146.05