Table 3.
Clinicians Decision-Making Quality Outcomes
| Usual Care (N=139)a |
Decision Aid (N=158)a |
Mean Difference (95%CI)b |
P-Value | |
|---|---|---|---|---|
| Continuous outcomes, mean (95%CI)b | ||||
| Decisional Conflict(0=conflict, 100=comfort) | ||||
| Informed subscale | 65.3 (61.5, 69.1) | 79.1 (76.8, 81.5) | 14.4 (7.1, 21.6) | <0.0001 |
| Clarity subscale | 66.8 (62.2,69.4) | 85.3 (83.0, 87.6) | 19.9 (11.9, 27.9) | <0.0001 |
| Support subscale | 72.1 (69.1, 75.1) | 79.2 (76.7, 81.7) | 6.6 (1.8, 11.4)) | 0.007 |
| Uncertainty subscale | 64.4 (60.6, 68.3) | 74.1 (71.2, 77.1) | 9.2 (3.4, 15.0) | 0.002 |
| Effectiveness subscale | 71.8 (68.9, 74.8) | 81.2 (78.9, 83.5) | 9.1 (3.9, 14.2) | 0.001 |
| Overall | 68.3 (65.4, 71.2) | 79.7 (77.6, 81.8) | 11.4 (5.7, 17.1) | <0.0001 |
| Missing,c n (%) | 18 (13.1) | 17 (10.9) | ||
| Involvement of patients in the decision-making processd | 32.5 (28.5, 36.6) | 46.6 (42.3, 50.8) | 15.8 (6.5, 25.9) | 0.001 |
| Missing, n (%) | 100 (71.9) | 101 (63.9) | ||
| Categorical Outcomes, n (%) | RR (95%CI)e | |||
| Satisfaction,f satisfied extremely satisfied | 74 (54.0) | 119 (76.3) | 1.64 (1.25, 2.16) | 0.02 |
| Missing | 22 (16.1) | 19 (12.2) | ||
a
N=number of encounters (i.e. multiple entries per clinician);
b
95% confidence intervals;
c
Reported as the highest proportion of missing across items;
d
OPTION scores (12 items, 0–100 scale, 0= no involvement), inter-rater agreement calculated as Shrout & Fleiss’ ICC=0.96;
e
Relative Risk;
f
1 item, 5-point likert scale, reporting proportion of satisfied /extremely satisfied.