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Table 7 Concordance rates and difference in concordance between study groups for the four CR therapies (both prescribed and attended therapies) (secondary outcome): complete case analysis including correction for case mix

From: Effect of a web-based audit and feedback intervention with outreach visits on the clinical performance of multidisciplinary teams: a cluster-randomized trial in cardiac rehabilitation

CR therapies

Control group

Intervention group

P value

N (centres)

Missing ( %)

Crude baseline concordance

Crude follow-up concordance

Adjusted concordance trend [OR (95% CI)]

Crude baseline concordance

Crude follow-up concordance

Adjusted concordance trend [OR (95% CI)]

Psychosocial rehabilitation (study group A)

ā€ƒEducation (prescribed)

81.2% (375/462)

71.1% (2292/3222)

0.69 (0.38 to 1.24)

87.5% (1411/1612)

89.9% (5347/5951)

0.84 (0.39 to 1.83)

0.662

11,247 (18)

1346 (10.7%)

ā€ƒLifestyle (prescribed)

34.3% (155/452)

25.6% (830/3240)

0.45 (0.1 to 1.95)

63.0% (1023/1624)

61.8% (3693/5978)

1.45 (0.24 to 8.65)

0.682

11,294 (18)

1299 (10.3%)

ā€ƒEducation (attended)

83.8% (150/179)

77.8% (782/1005)

1.19 (0.58 to 2.45)

62.1% (185/298)

79.1% (828/1047)

2.83 (1.1 to 7.27)

0.031

4804 (11)

1567 (38.3%)

ā€ƒLifestyle (attended)

21.8% (27/124)

21.8% (157/722)

0.72 (0.53 to 0.97)

28.1% (125/445)

32.7% (384/1174)

1.25 (0.86 to 1.84)

0.243

3834 (9)

3369 (57.8%)

Physical rehabilitation (study group B)

ā€ƒExercise (prescribed)

72.6% (976/1345)

82.8% (4211/5088)

2.66 (0.86 to 8.26)

38.8% (124/320)

51.9% (1271/2451)

2.81 (0.38 to 20.67)

0.310

9204 (18)

3389 (26.9%)

ā€ƒRelaxation (prescribed)

89.9% (1460/1625)

95.0% (5724/6026)

1.49 (0.9 to 2.47)

82.6% (399/483)

83.8% (2805/3348)

1.4 (0.66 to 2.97)

0.378

11,482 (18)

1111 (8.8%)

ā€ƒExercise (attended)

75.2% (279/371)

64.1% (667/1040)

0.69 (0.43 to 1.1)

75.0% (12/16)

61.0% (269/441)

0.64 (0.26 to 1.57)

0.326

3976 (14)

921 (33.0%)

ā€ƒRelaxation (attended)

76.7% (227/296)

81.2% (574/707)

0.42 (0.17 to 0.99)

100% (46/46)

94.1% (272/289)

0.41 (0.1 to 1.61)

0.203

5514 (12)

1485 (52.6%)

  1. Baseline period: first 3Ā months of study period; follow-up period: complete study period minus the baseline period. Performance trends: odds ratios associated with a 1-year increase in the exposure, adjusted for patientsā€™ age, gender, indication for CR, and centresā€™ type and size. P value: probability of trends being similar in intervention and control group
  2. Abbreviations: CI confidence interval, CR cardiac rehabilitation, OR odds ratio