Table 2.

Physician confidence in pre- and post-MRI diagnosis in mean percentages and SD, t test statistic and significance level

	n	Mean % (SD)	t test	p
All physicians
Pre-MRI	123	–	–4.789	<0.001
Post-MRI	123	75 (14.7)
Experienced physicians
Pre-MRI	66	69 (13.9)	–1.827	0.072
Post-MRI	66	72 (15)
Non-experienced physicians
Pre-MRI	57	70 (12.1)	–5.038	<0.001
Post-MRI	57	79 (13.4)
Absolute differences pre- and post-MRI
All physicians	123	11 (9.6)
Experienced physicians	66	9 (8.1)	1.767	0.08
Non-experienced physicians	57	12 (10.9)