condition mean min max ZT0-3 102.5518 50.21254999999999 146.95245 ZT4-7 57.58735 57.58735 57.58735 ZT8-11 125.9125 125.9125 125.9125 ZT12-15 160.439875 141.0365 179.84325 ZT16-19 145.419 145.419 145.419 ZT20-23 154.324 154.324 154.324