|Constitution 15 or more:||Add +1 to each hit die|
|Constitution 13 or more:||Will withstand adversity|
|Constitution 9 - 12:||60% to 90% chance of surviving|
|Constitution 8 or 7:||40% to 50% chance of survival|
|Minus 1 from each hit die|
Note: I've copied the chart from the play report and not from the LBBs, so their may be some errors in phrasing.