condition mean min max ZT0-3 47.2671 47.2671 47.2671 ZT4-7 29.2008 29.2008 29.2008 ZT8-11 29.7236 29.7236 29.7236 ZT12-15 32.34275 32.34275 32.34275 ZT16-19 59.394 59.394 59.394 ZT20-23 51.6844 51.6844 51.6844