. 2010 Mar;24(3):175–182. doi: 10.1155/2010/237860

TABLE 4.

Sensitivity analysis of diagnostic definitions for primary biliary cirrhosis (PBC) according to the time interval between the first and second contacts in the administrative data

Data source and time interval between contacts	n	Positive predictive value, % (95% CI), (n/n)		Sensitivity for PBC trial patients, % (95% CI), (n/n)
Data source and time interval between contacts	n	Definite or probable PBC	Definite, probable or suspected PBC	Sensitivity for PBC trial patients, % (95% CI), (n/n)
All databases
Within 1 year	112	72 (63–80), (81/112)	91 (84–96), (102/112)	71 (44–90), (12/17)
Within 2 years	129	73 (64–80), (94/129)	90 (83–95), (116/129)	94 (71–100), (16/17)
Within 3 years	133	72 (64–80), (96/133)	89 (82–94), (118/133)	94 (71–100), (16/17)
Physician claims database
Within 1 year	103	74 (64–82), (76/103)	90 (83–95), (93/103)	71 (44–90), (12/17)
Within 2 years	117	74 (66–82), (87/117)	91 (84–95), (106/117)	88 (64–99), (15/17)
Within 3 years	121	74 (66–81), (90/121)	90 (83–95), (109/121)	88 (64–99), (15/17)