24 Months of Exams with 3+ Months of Follow Up (2015-2016)

Screen Round
Negative
(LR 0, 1, 2)
Positive
(LR 3, 4A, 4B, 4X)
Suspicious
(LR 4A, 4B, 4X)
Dx Lung Ca
(LR 5)
PPV
LR3 PPV
LR4 PPV
LR4B PPV
False
Negative
Total
S Positive
T0
842
85.5%
143
14.5%
63
6.4%
20
2.0%
14.0%
0.0%
31.7%
68.4%
2
0.2%
985
83
8.4%
T1
686
91.8%
61
8.2%
27
3.6%
10
1.3%
16.4%
0.0%
37.0%
50.0%
1
0.1%
747
21
2.8%
T2
613
95.5%
29
4.5%
14
2.2%
3
0.5%
10.3%
0.0%
21.4%
16.7%
0
0.0%
642
14
2.2%
T3+
545
94.5%
32
5.5%
17
2.9%
6
1.0%
18.8%
0.0%
35.3%
50.0%
0
0.0%
577
10
1.7%
Total
2676
91.0%
265
9.0%
121
4.1%
39
1.3%
14.7%
0.0%
32.2%
53.7%
3
0.1%
2941
128
4.4%

Breakdown by reading radiologist. NOTE: Only radiologists reading 100+ screening exams are included in analysis.