All Lesions | HR<70 Mean = 58 (SD 6) | HR⩾70 Mean = 78 (SD 9) | Simple | Complex | ⩾3.5 mm | 3.0 mm | ⩽2.75 mm | RCA | LM | LAD | LCx | |
Total | 178 | 124 | 54 | 95 | 83 | 78 | 59 | 41 | 60 | 11 | 58 | 49 |
TP | 37 | 28 | 9 | 16 | 21 | 15 | 11 | 11 | 8 | 0 | 15 | 14 |
TN | 128 | 88 | 40 | 74 | 54 | 63 | 47 | 18 | 48 | 11 | 38 | 31 |
FP | 11 (9)* | 7 | 4 | 4 | 7 | 0 | 1 | 10 (9)* | 4 | 0 | 4 | 3 |
FN | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 1 | 1 |
Sensitivity | 37/39 | 28/29 | 9/10 | 16/17 | 21/22 | 15/15 | 11/11 | 11/13 | 8/8 | – | 15/16 | 14/15 |
0.94 (0.81 to 0.99) | 0.96 (0.80 to 0.99) | 0.90 (0.54 to 0.99) | 0.94 (0.69 to 0.99) | 0.95 (0.75 to 0.99) | 1 (0.74 to 1) | 1 (0.67 to 1) | 0.84 (0.53 to 0.97) | 1 (0.59 to 1) | 0.93 (0.67 to 0.99) | 0.93 (0.66 to 0.99) | ||
Specificity | 128/139 | 88/95 | 40/44 | 74/78 | 54/61 | 63/63 | 47/48 | 18/28 | 48/52 | 11/11 | 38/42 | 31/34 |
0.92 (0.85 to 0.95) | 0.92 (0.84 to 0.96) | 0.90 (0.77 to 0.97) | 0.94 (0.86 to 0.98) | 0.88 (0.77 to 0.94) | 1 (0.92 to 1) | 0.97 (0.79 to 0.99) | 0.64 (0.44 to 0.80) | 0.92 (0.80 to 0.97) | 1 (0.67 to 1) | 0.90 (0.76 to 0.99) | 0.91 (0.75 to 0.97) | |
PPV | 37/48 | 28/35 | 9/13 | 16/20 | 21/28 | 15/15 | 11/12 | 11/21 | 8/12 | – | 15/19 | 14/17 |
0.77 (0.62 to 0.87) | 0.80 (0.62 to 0.90) | 0.69 (0.38 to 0.89) | 0.80 (0.55 to 0.93) | 0.75 (0.54 to 0.88) | 1 (0.74 to 1) | 0.91 (0.59 to 0.99) | 0.52 (0.30 to 0.73) | 0.66 (0.35 to 0.88) | 0.78 (0.53 to 0.93) | 0.82 (0.55 to 0.95) | ||
NPV | 128/130 | 88/89 | 40/41 | 74/75 | 54/55 | 63/63 | 47/47 | 18/20 | 48/48 | 11/11 | 38/39 | 31/32 |
0.98 (0.93 to 0.99) | 0.98 (0.93 to 0.99) | 0.97 (0.85 to 0.99) | 0.98 (0.91 to 0.99) | 0.98 (0.89 to 0.99) | 1 (0.92 to 1) | 1 (0.90 to 1) | 0.90 (0.66 to 0.98) | 1 (0.90 to 1) | 1 (0.67 to 1) | 0.97 (0.84 to 0.99) | 0.96 (0.82 to 0.99) | |
After exclusion of totally occluded stents | ||||||||||||
Total | 161 | 113 | 48 | 87 | 74 | 70 | 55 | 36 | 57 | 11 | 51 | 42 |
TP | 20 | 17 | 3 | 8 | 12 | 7 | 7 | 6 | 5 | 0 | 8 | 7 |
TN | 128 | 88 | 40 | 74 | 54 | 63 | 47 | 18 | 48 | 11 | 38 | 31 |
FP | 11 | 7 | 4 | 4 | 7 | 0 | 1 | 10 | 4 | 0 | 4 | 3 |
FN | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 1 | 1 |
Sensitivity | 20/22 | 17/18 | 3/4 | 8/9 | 12/13 | 7/7 | 7/7 | 6/8 | 5/5 | – | 8/9 | 7/8 |
0.90 (0.69 to 0.98) | 0.94 (0.70 to 0.99) | 0.75 (0.21 to 0.98) | 0.88 (0.50 to 0.99) | 0.92 (0.62 to 0.99) | 1 (0.56 to 1) | 1 (0.56 to 1) | 0.75 (0.35 to 0.95) | 1 (0.46 to 1) | 0.88 (0.50 to 0.99) | 0.87 (0.46 to 0.99) | ||
Specificity | 128/139 | 88/95 | 40/44 | 74/78 | 54/61 | 63/63 | 47/48 | 18/28 | 48/52 | 11/11 | 38/42 | 31/34 |
0.92 (0.85 to 0.95) | 0.92 (0.84 to 0.96) | 0.90 (0.77 to 0.97) | 0.94 (0.86 to 0.98) | 0.88 (0.77 to 0.94) | 1 (0.92 to 1) | 0.97 (0.79 to 0.99) | 0.64 (0.44 to 0.80) | 0.92 (0.80 to 0.97) | 1 (0.67 to 1) | 0.90 (0.76 to 0.96) | 0.91 (0.75 to 0.97) | |
PPV | 20/31 | 17/24 | 3/7 | 8/12 | 12/19 | 7/7 | 7/8 | 6/16 | 5/9 | – | 8/12 | 7/10 |
0.64 (0.45 to 0.80) | 0.70 (0.48 to 0.86) | 0.42 (0.11 to 0.79) | 0.66 (0.35 to 0.88) | 0.63 (0.38 to 0.82) | 1 (0.56 to 1) | 0.87 (0.46 to 0.99) | 0.37 (0.16 to 0.64) | 0.55 (0.22 to 0.84) | 0.66 (0.35 to 0.88) | 0.70 (0.31 to 0.95) | ||
NPV | 128/130 | 88/89 | 40/41 | 74/75 | 54/55 | 63/63 | 47/47 | 18/20 | 48/48 | 11/11 | 38/39 | 31/32 |
0.98 (0.93 to 0.99) | 0.98 (0.93 to 0.99) | 0.97 (0.85 to 0.99) | 0.98 (0.91 to 0.99) | 0.98 (0.89 to 0.99) | 1 (0.92 to 1) | 1 (0.90 to 1) | 0.90 (0.66 to 0.98) | 1 (0.90 to 1) | 1 (0.67 to 1) | 0.97 (0.84 to 0.99) | 0.96 (0.82 to 0.99) |
*Nine stents had uninterpretable lumen; all these were ⩽2.75 mm in diameter. These were considered positives for the purpose of the analysis.
Values expressed as means (95% confidence intervals).
FN, false negative; FP, false postive; TN, true negative; TN, true postive.