Table 2.

Positive predictive values for endometrial cancer N = 330.

	Confirmed endometrial cancer	Not endometrial cancer	Unevaluable	PPV	95% CI
Overall	286	29	15	90.8%	86.9–93.6
Location of claims diagnosis
Outpatient	251	23	12	91.6%	88.3–94.9
Inpatient	35	6	3	85.4%	74.5–96.2
Age group
30–44 years	8	1	0	88.9%	68.4–99.9
45–64 years	110	13	8	89.4%	84.0–94.9
65+ years	168	15	7	91.8%	87.8–95.8