Table 1.

Radiograph and CT TPDS were assessed using a two-tailed unpaired T-test for each observer. An alpha value of <0.05 was considered statistically significant.

	Mean Radiograph TPDS	Mean CT TPDS	Net Difference (95% CI)	P Value
Obs 1	2.78	3.66	0.88 (0.23-1.53)	0.0088
Obs 2	2.66	3.04	0.38 (−0.21-0.97)	0.205
Obs 3	3.34	3.48	0.14 (−0.61-0.89)	0.711
Obs 4	2.28	2.50	0.22 (−0.082-0.52)	0.151
All Obs	2.77	3.17	0.41 (0.10-0.71)	0.0093