condition mean min max ZT0-3 48.3 48.3 48.3 ZT4-7 157.1 157.1 157.1 ZT8-11 181.7 181.7 181.7 ZT12-15 190.10000000000002 190.10000000000002 190.10000000000002 ZT16-19 93.7 93.7 93.7 ZT20-23 93.6 93.6 93.6