condition mean min max ZT0-3 190.588 176.562 202.7515 ZT4-7 183.5675 183.5675 183.5675 ZT8-11 127.278 127.278 127.278 ZT12-15 175.00824999999998 170.35899999999998 179.6575 ZT16-19 143.395 143.395 143.395 ZT20-23 194.0995 194.0995 194.0995