Skip to main content

Table 4 Baseline to post-test change score differences in CROQ scores between the PCI and the non-PCI patient groups

From: Psychometric evaluation of the Coronary Revascularisation Outcome Questionnaire (CROQ) in Norwegian patients admitted to elective coronary angiography and possible percutaneous coronary intervention

  Patients receiving PCI
n = 104
Non-significant stenosis group
n = 128
 
CROQ
Scores
(range 0–100)
Baseline
M (SD)
Post
M (SD)
r 95%CI
d 95%CI
Baseline
M (SD)
Post
M (SD)
r 95%CI
d 95%CI
diff1 95%CI
diff2 95%CI
Symptoms 71.5
(20.1)
88.9
(13.4)
.44 .22–.62
.94 .71–1.17
70.9
(17.2)
86.8
(12.5)
.46 .30–.61
1.00 .79–1.21
1.5 –2.7 | 5.9
2.0 –2.3 | 6.4
Physical functioning 75.2
(23.4)
85.6
(18.7)
.53 .36–.68
.50 .29–.70
73.0
(24.4)
78.2
(23.0)
.76 .66–.84
.31 .14–.49
5.5* 0.7 | 10.3
6.0* 1.1 | 10.9
Psychosocial functioning 73.4
(17.5)
85.1
(13.7)
.56 .43–.67
.77 .55–.99
70.2
(18.9)
81.8
(16.5)
.72 .63–.80
.88 .67–1.08
0.1 –3.5 | 3.7
0.03 –3.6 | 3.7
Cognitive functioning 84.9
(16.2)
89.9
(12.1)
.60 .41–.75
.38 .18–.58
80.1
(19.0)
86.3
(15.8)
.53 .35–.69
.36 .18–.54
–0.7 –4.5 | 3.0
–0.9* –4.9 | 3.0
  1. M = mean, SD = standard deviation, r = pre-post stability coefficient (Pearson’s r), d = Cohen’s d standardized pre-post mean difference (effect size), 95%CI = 95% confidence interval
  2. diff1 = Significance test for change score differences between the two groups, diff2 = same as diff1, plus adjustment for gender, age and cohabitation. * p-value between .01 and .05