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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