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Table 1 Demographical, medical and psychological characteristics at baseline of patients receiving Standard Medical Care (SMC; 44), Supportive Intervention (SUPPORT; 39) or Expectation Manipulation Intervention (EXPECT; 39)

From: Preoperative optimization of patient expectations improves long-term outcome in heart surgery patients: results of the randomized controlled PSY-HEART trial

 

SMC

SUPPORT

EXPECT

Test statistic

Age in years, median (SD)

67.07 (8.9)

64.62 (8.1)

65.76 (7.8)

F(2, 112) = 0.856; P = 0.427

Sex, male, n (%)

36 (87.8)

30 (81)

32 (86.5)

χ 2 (2) = 0.768; P = 0.681

Education, high school, n (%) (MD = 1)

7 (17.1)

10 (27)

10 (27)

χ 2 (2) = 1.304; P = 0.521

Marital status, married, n (%) (MD = 1)

33 (80.5)

34 (91.9)

31 (83.8)

χ 2 (2) = 2.097; P = 0.350

BMI, median (SD) (MD = 3)

29.67 (5.2)

29.5 (6.6)

29.03 (5.01)

F(2, 109) = 0.13; P = 0.876

Smoking status, n (%)

6 (14.6)

2 (5.4)

6 (16.2)

χ 2 (2) = 2.383; P = 0.304

EuroSCORE II, median (SD) (MD = 11)a

1.53 (0.8)

1.47 (0.8)

1.25 (0.8)

F(2, 101) = 2.30; P = 0.105

NYHA, n (%) (MD = 10)

   

χ 2 (6) = 4.644; P = 0.590

 I

1 (2.4)

1 (2.7)

0 (0)

 

 II

9 (22.0)

11 (29.7)

12 (32.4)

 

 III

28 (68.3)

20 (54.1)

17 (45.9)

 

 IV

1 (2.4)

2 (5.4)

3 (8.1)

 

LVEF, n (%) (MD = 9)

   

χ 2 (4) = 9.944; P = 0.041

  ≥ 50

23 (48.8)

19 (51.4)

30 (78.4)

 

 49–30

13 (31.7)

13 (35.1)

4 (10.8)

 

  < 30

2 (4.9)

2 (5.4)

0 (0)

 

Previous myocardial infarction, n (%) (MD = 5)

9 (23.1)

6 (17.1)

6 (16.7)

χ 2 (4) = 2.398; P = 0.663

Combined surgery, n (%)

6 (14.6)

6 (16.2)

3 (8.1)

χ 2 (2) = 1.214; P = 0.545

Current mental disorder, n (%) (MD = 1)

4 (9.8)

5 (13.5)

8 (21.6)

χ 2 (2) = 2.130; P = 0.345

Anxiety, median (SD) (MD = 7)b

4.03 (3.0)

4.55 (3.2)

5.17 (5.0)

F(2, 105) = 0.838; P = 0.435

Depression, median (SD) (MD = 8)c

4.59 (3.1)

4.0 (3.1)

5.11 (4.0)

F(2, 104) = 0.894; P = 0.412

Disability, median (SD) (MD = 3)d

22.78 (13.8)

22.14 (15.3)

25.89 (15.0)

F(2, 110) = 0.683; P = 0.507

Mental quality of life, median (SD) (MD = 7)e

48.96 (9.9)

51.6 (8.7)

47.98 (12.8)

F(2, 105) = 1.081; P = 0.343

Physical quality of life, median (SD) (MD = 5)f

40.26 (10.5)

39.55 (11.0)

37.15 (9.2)

F(2, 107) = 0.920; P = 0.402

gPhysical activity, median (SD) (MD = 20)

2668.4 (2146.2)

2635.5 (2806)

2433.6 (3339.5)

F(2, 92) = 0.067; P = 0.935

hCardiac anxiety, median (SD) (MD = 4)

2.48 (0.6)

2.68 (0.6)

2.67 (0.7)

F(2, 108) = 1.260; P = 0.288

  1. a EuroSCORE European System for Cardiac Operative Risk Evaluation; untransformed data is displayed to facilitate interpretation; statistical analyses are based on log-transformed data
  2. bAnxiety (Hamilton Anxiety and Depression Scale; HADS) range = 0–21
  3. cDepression (HADS) range = 0–21
  4. dDisability (Pain Disability Index) range = 0–70
  5. eMental quality of life (Mental component of the Short-Form Health Survey (SF-12))
  6. fPhysical quality of life (Physical component of the SF-12)
  7. gPhysical activity (International Physical Activity Questionnaire, weighted estimate of total physical activity per week
  8. hCardiac Anxiety Questionnaire, range = 0–4
  9. SMC Standard Medical Care, SUPPORT Supportive Intervention, EXPECT Expectation Manipulation Intervention, BMI body mass index, NYHA New York Heart Association functional classification, LVEF left ventricular ejection fraction, MD missing data