Table 3 Results of CCTA and ICA

Diagnostic accuracy of CCTA using ICA as gold standard

Per segment

Per patient

- Sensitivity, % (CI)

- Spesificity, % (CI)

- Positive predictice value, % (CI)

- Negative predictive value, % (CI)

90 % (54–99)

96 % (94–98)

30 % (15–50)

99 % (99–100)

100 % (60–100)

78 % (61–89)

47 % (24–72)

100 % (86–100)

Degree of stenosis n (%), per segment analysis

CCTA

ICA

0. No stenosis or ≤24 % lumen reduction

1. 25–49 % stenosis

2. 50–74 % stenosis

3. ≥75 % stenosis

447 (76.0 %)

110 (18.7 %)

29 (4.9 %)

2 (0.4 %)

553 (94.0 %)

25 (4.3 %)

9 (1.5 %)

1 (0.2 %)

Maximum degree of any stenosis, n (%), per patient analysis

CCTA

ICA

0. No stenosis or ≤24 % lumen reduction

1. 25–49 % stenosis

2. 50–74 % stenosis

3. ≥75 % stenosis

10 (20.8 %)

21 (43.8 %)

15 (31.3 %)

2 (4.2 %)

28 (58.3 %)

12 (25.0 %)

7 (14.6 %)

1 (2.1 %)