condition mean min max ZT0-3 197.85 197.85 197.85 ZT4-7 133.0 133.0 133.0 ZT8-11 127.8 127.8 127.8 ZT12-15 103.35 103.35 103.35 ZT16-19 98.5 98.5 98.5 ZT20-23 104.3 104.3 104.3