Finally, Part I also contains space on each line to indicate the interval between the onset of each condition cited and death. These intervals should be stated as accurately as possible and without guessing. It should be apparent that the intervals should get longer (or at least not get shorter) as one reads from top to bottom. The interval since diagnosis should NOT be stated if a condition is known to have existed for a longer period of time. Generic intervals such as "seconds," "minutes," "hours," "days," "weeks," "months," "years," and "decades" are acceptable when needed. "Unknown" is also acceptable if such is the case and generic intervals cannot be accurately used. Intervals may also be approximate.