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. Author manuscript; available in PMC: 2019 Sep 25.
Published in final edited form as: Int J Cancer. 2018 Sep 26;144(8):1877–1887. doi: 10.1002/ijc.31900

Table 3. Joint sensitivity and specificity of pancreatic cancer detection by time between blood draw and diagnosis, for pre-defined cut-points.

Lag-time
(months)		 Threshold crude Threshold crude Sensitivity
(95% CI)		 Specificity
(95% CI)
CA19-9
(U/mL) 		ApoA2-ATQ/AT
(μg/mL)
≤6 37 27.7 0.57 (0.29-0.82) 0.96 (0.92-0.98)
>6-18 37 27.7 0.39 (0.22-0.59) 0.96 (0.92-0.98)
≤18 37 27.7 0.45 (0.30-0.61) 0.96 (0.92-0.98)
>18-36 37 27.7 0.09 (0.03-0.22) 0.96 (0.92-0.98)
>36-60 37 27.7 0.07 (0.02-0.16) 0.96 (0.92-0.98)
CA19-9
(U/mL) 		ApoA2-ATQ/AT
(μg/mL)
≤6 38 25 0.57 (0.29-0.82) 0.98 (0.95-0.99)
>6-18 38 25 0.36 (0.19-0.56) 0.98 (0.95-0.99)
≤18 38 25 0.43 (0.28-0.59) 0.98 (0.95-0.99)
>18-36 38 25 0.07 (0.01-0.19) 0.98 (0.95-0.99)
>36-60 38 25 0.07 (0.02-0.16) 0.98 (0.95-0.99)