condition mean min max ZT0-3 185.1 185.1 185.1 ZT4-7 176.7 176.7 176.7 ZT8-11 109.80000000000001 109.80000000000001 109.80000000000001 ZT12-15 117.65 117.65 117.65 ZT16-19 164.7 164.7 164.7 ZT20-23 148.60000000000002 148.60000000000002 148.60000000000002