TABLE 3.

Clinician's estimates of the probability of pneumonia in 200 patients before and after low-dose computed tomography (LDCT) chest scans

	Clinician's estimates of the probability of pneumonia after LDCT
	Low	Intermediate	High	Total	Change of probability
					n	% (95% CI)
Clinician's estimates of the probability of pneumonia before LDCT
Low	10	3	4	17	7	41 (18–24)
Intermediate	34	13	23	70	57	81 (72–90)
High	13	13	87	113	26	23 (15–31)
Total	57	29	114	200	90	45 (38–52)

Values in bold are for upgraded probability, while values in italic are for downgraded probability.