condition mean min max ZT0-3 184.3065 184.3065 184.3065 ZT4-7 209.838 209.838 209.838 ZT8-11 139.192 139.192 139.192 ZT12-15 188.2755 188.2755 188.2755 ZT16-19 153.832 153.832 153.832 ZT20-23 148.5315 148.5315 148.5315