Table 3 Proportion of participants recommending an intervention according to experience level

From: Impact of predictive medicine on therapeutic decision making: a randomized controlled trial in congenital heart disease

 

No. recommending intervention/Total (%)

 

Experimental group (Conventional & modelling data)

Control group (Conventional data)

Relative risk (95% CI)

Case 1

   

More CHD experience

67/72 (93.1)

49/67 (73.1)

1.27 (1.09, 1.49)

Less CHD experience

16/16 (100.0)

15/22 (68.2)

1.47 (1.10, 1.95)

More CoA experience

72/75 (96.0)

52/71 (73.2)

1.31 (1.13, 1.52)

Less CoA experience

11/13 (84.6)

11/17 (64.7)

1.31 (0.86, 1.99)

More catheter intervention experience

32/34 (94.1)

21/26 (80.8)

1.16 (0.96, 1.43)

Less catheter intervention experience

51/54 (94.4)

42/62 (67.7)

1.39 (1.16, 1.68)

Case 2

More CHD experience

63/67 (94.0)

64/68 (94.1)

0.99 (0.92, 1.09)

Less CHD experience

16/16 (100.0)

19/20 (95.0)

1.05 (0.95, 1.16)

More CoA experience

62/65 (95.4)

71/75 (94.7)

1.01 (0.93, 1.09)

Less CoA experience

17/18 (94.4)

11/12 (91.7)

1.03 (0.84, 1.26)

More catheter intervention experience

28/29 (96.6)

29/30 (96.7)

0.99 (0.91, 1.09)

Less catheter intervention experience

51/54 (94.4)

53/57 (93.0)

1.02 (0.92, 1.12)

Case 3

More CHD experience

9/65 (13.8)

2/69 (2.9)

4.75 (1.07, 21.29)

Less CHD experience

8/26 (30.8)

2/10 (20.0)

1.54 (0.39, 6.04)

More CoA experience

13/69 (18.8)

4/70 (5.7)

3.29 (1.13, 9.61)

Less CoA experience

4/21 (19.0)

0/9 (0.0)

Not estimable

More catheter intervention experience

6/33 (18.2)

1/26 (3.8)

4.79 (0.60, 36.86)

Less catheter intervention experience

11/57 (19.3)

3/53 (5.7)

3.39 (1.01, 11.56)

  1. More experience refers to (1) >5 years of experience with decision making in congenital heart disease; (2) >5 coarctation of the aorta cases in past year; and (3) >5 catheter interventions per year
  2. CHD congenital heart disease, CoA coarctation of the aorta, CI confidence interval