Comparing those with slice level distance less than or greater than or equal to 30.

Table 2: Comparing those with slice level distance less than or greater than or equal to 30.

	< 30 SLD Poor effort	≥ 30 SLD Good effort
# of Patients	38	45
% male	21/38 (55%)	31/45 (69%)
Average age	63	56
Percent normal on initial CT	29/38 (76%)	40/45 (89%)
Average slice level difference	15	41
Percent with change in mosaic attenuation	18/38 (47%)	31/45 (69%)