From: How do we know a treatment is good enough? A survey of non-inferiority trials
Method group | Opinion seeking without evidence base (N = 7)a | Evidence base without opinion seek (N = 11)a | Opinion seeking and evidence based (N = 17)a | Neither opinion seek nor evidence base (N = 6)b | ||||
---|---|---|---|---|---|---|---|---|
Mean (SD) | Median (P25–P75) | Mean (SD) | Median (P25–P75) | Mean (SD) | Median (P25–P75) | Mean (SD) | Median (P25–P75) | |
Confidence in overall quality | 3.9 (1.9) | 4.0 (2.0–6.0) | 5.1 (1.4) | 5.0 (4.0–6.0) | 4.8 (1.1) | 5.0 (4.0–5.0) | 5.2 (2.3) | 6.0 (4.0–7.0) |
Margin reflects patient’s views | 2.7 (2.1) | 2.0 (1.0–5.0) | 2.8 (1.7) | 3.0 (1.0–4.0) | 4.1 (1.4) | 4.0 (3.0–5.0) | 4.2 (1.9) | 4.5 (3.0–6.0) |
Margin reflects clinician’s views | 5.6 (1.3) | 6.0 (5.0–6.0) | 5.3 (1.1) | 5.0 (4.0–6.0) | 5.5 (1.3) | 6.0 (5.0–6.0) | 5.7 (1.0) | 6.0 (5.0–6.0) |
Margin reflects policy maker’s views | 2.7 (1.6) | 2.0 (1.0–4.0) | 4.4 (1.7) | 4.0 (4.0–5.0) | 4.0 (1.3) | 4.0 (4.0–5.0) | 5.2 (1.2) | 5.0 (4.0–6.0) |
Considered the method appropriate—n (%) | 4 (57.1) | 9 (81.8) | 15 (88.2) | 5 (83.3) |