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. Author manuscript; available in PMC: 2017 May 24.
Published in final edited form as: Circulation. 2016 Apr 27;133(21):1995–2007. doi: 10.1161/CIRCULATIONAHA.115.020259

Table 3.

Pre-specified Primary Quality of Life Measures as Randomized in the PROMISE Trial.

Anatomic
(N=2982)
Functional
(N=3003)
Difference Between Anatomic
and Functional
(95% CI)
Duke Activity Status Index (DASI)
0-58.2 scale; 0=worst, 58.2=best
Baseline
Number of patients 2923 2918
Median (Q1, Q3) 21.5 (10.7, 38.2) 22.9 (10.0, 39.5)
Mean (standard deviation) 25.5 (17.7) 25.5 (17.8)
6 month
Number of patients 2677 2563
Median (Q1, Q3) 30.5 (14.8, 44.7) 30.2 (15.2, 44.7)
Mean (standard deviation) 30.4 (17.8) 30.5 (17.7) −0.1 (−1.0 to 0.8)
12 month
Number of patients 2593 2396
Median (Q1, Q3) 29.2 (13.5, 44.7) 31.2 (15.2, 44.7)
Mean (standard deviation) 29.9 (17.8) 30.7 (17.7) −0.6 (−1.6 to 0.3)
24 month
Number of patients 2247 2002
Median (Q1, Q3) 31.5 (16.0, 45.5) 31.2 (16.0, 45.5)
Mean (standard deviation) 31.2 (17.4) 31.1 (17.4) 0.1 (−0.9 to 1.1)
Seattle Angina Questionnaire
Angina Frequency Scale
Higher scores = less frequent angina
Baseline
Number of patients 2929 2933
Median (Q1, Q3) 80 (70, 90) 80 (70, 90)
Mean (standard deviation) 78.5 (16.9) 78.2 (17.2)
6 month
Number of patients 2726 2648
Median (Q1, Q3) 100 (90, 100) 100 (90, 100)
Mean (standard deviation) 93.1 (12.1) 92.9 (13.1) 0.2 (−0.4 to 0.9)
12 month
Number of patients 2672 2525
Median (Q1, Q3) 100 (90, 100) 100 (90, 100)
Mean (standard deviation) 94.0 (11.8) 94.1 (11.6) −0.1 (−0.7 to 0.5)
24 month
Number of patients 2413 2218
Median (Q1, Q3) 100 (100, 100) 100 (100, 100)
Mean (standard deviation) 95.0 (11.2) 95.1 (10.8) −0.2 (−0.8 to 0.4)
Quality of Life Scale
0-100 scale with higher scores representing
better quality of life
Baseline
Number of patients
Median (Q1, Q3)
Mean (standard deviation)
2866
58.3 (41.7, 75.0)
56.3 (22.7)
2884
58.3 (41.7, 75.0)
56.0 (22.8)
6 month
Number of patients
Median (Q1, Q3)
Mean (standard deviation)
2685
83.3 (75.0, 91.7)
80.4 (19.7)
2581
83.3 (75.0, 100)
80.6 (20.1)
−0.2 (−1.2 to 0.9)
12 month
Number of patients 2563 2387
Median (Q1, Q3) 83.3 (75.0, 100) 91.7 (75.0, 100)
Mean (standard deviation) 81.7 (19.1) 82.4 (18.8) −0.5 (−1.5 to 0.6)
24 month
Number of patients 2201 1997
Median (Q1, Q3) 91.7 (75.0, 100) 91.7 (75.0, 100)
Mean (standard deviation) 82.8 (18.8) 83.0 (18.6) −0.2 (−1.3 to 0.9)
Physical Limitation Score
0-100 scale with higher scores representing
better physical functioning
Baseline
Number of patients 2814 2801
Median (Q1, Q3) 86.1 (66.7, 97.2) 86.1 (66.7, 97.2)
Mean (standard deviation) 78.6 (21.5) 79.1 (22.0)
6 month
Number of patients 2403 2297
Median (Q1, Q3) 100.0 (94.4, 100) 100.0 (94.4, 100)
Mean (standard deviation) 93.6 (14.6) 94.0 (13.9) −0.4 (−1.2 to 0.4)
12 month
Number of patients 2282 2141
Median (Q1, Q3) 100 (97.2, 100) 100 (97.2, 100)
Mean (standard deviation) 94.3 (14.1) 95.0 (12.4) −0.8 (−1.6 to -0.0)
24 month
Number of patients 1810 1986
Median (Q1, Q3) 100 (97.2, 100) 100 (100, 100)
Mean (standard deviation) 95.3 (12.1) 94.8 (13.2) −0.7 (−1.5 to 0.1)
Angina Stability
0-100 scale, lower scores indicate more
frequent angina, higher scores less frequent
angina, a score of 50 indicates no change in
angina frequency at most strenuous level of
activity
Baseline
Number of patients 2903 2909
Median (Q1, Q3) 50.0 (25.0, 50.0) 50.0 (25.0, 50.0)
Mean (standard deviation) 44.2 (23.9) 43.8 (25.2)
6 month
Number of patients 2716 2640
Median (Q1, Q3) 50.0 (50.0, 50.0) 50.0 (50.0, 50.0)
Mean (standard deviation) 54.4 (16.5) 53.7 (15.5) 0.7 (−0.1 to 1.6)
12 month
Number of patients 2666 2518
Median (Q1, Q3) 50.0 (50.0, 50.0) 50.0 (50.0, 50.0)
Mean (standard deviation) 52.2 (14.5) 52.8 (14.8) −0.7 (−1.5 to 0.1)
24 month
Number of patients 2406 2217
Median (Q1, Q3) 50.0 (50.0, 50.0) 50.0 (50.0, 50.0)
Mean (standard deviation) 95.0 (12.9) 51.3 (12.0) −0.1 (−0.8 to 0.6)
Treatment Satisfaction
0-100 scale with higher scores indicating more
satisfaction with treatment
Baseline
Number of patients 2810 2819
Median (Q1, Q3) 91.7 (75.0, 100) 91.7 (75.0, 100)
Mean (standard deviation) 83.7 (20.6) 83.4 (20.3)
6 month
Number of patients 2667 2556
Median (Q1, Q3) 100 (83.3, 100) 100 (83.3, 100)
Mean (standard deviation) 89.4 (18.6) 88.2 (20.9) 1.4 (0.3 to 2.4)
12 month
Number of patients 2547 2367
Median (Q1, Q3) 100 (83.3, 100) 100 (83.3, 100)
Mean (standard deviation) 89.4 (18.4) 88.7 (20.0) 1.0 (−0.1 to 2.1)
24 month
Number of patients 2163 1939
Median (Q1, Q3) 100 (83.3, 100) 100 (83.3, 100)
Mean (standard deviation) 89.8 (17.6) 89.4 (18.6) 1.0 (−0.1 to 2.1)

Continuous variables shown as medians (Q1, Q3) and means with standard deviations. 95% confidence intervals on treatment differences calculated as CTA minus functional testing.