condition mean min max ZT0-3 0.3928545905 0.237112173 0.548597008 ZT4-7 1.01173672375 0.797128005 1.2263454425 ZT8-11 1.50741098125 1.372781615 1.6420403475 ZT12-15 1.46057744225 1.3776960514999999 1.543458833 ZT16-19 1.46465632925 1.1484272275 1.7808854310000002 ZT20-23 4.08595272225 3.0665367525000002 5.105368692