SDM effect for the entire hospital (PICS, PrepDM and collaboRATE)
| Outcome | PICSPDM | PrepDM | collaboRATE | |||
| Data set | A | B | A | B | A | B |
| n (T0) | 361 | 706 | 348 | 675 | 374 | 733 |
| n (T1) | 440 | 581 | 414 | 551 | 445 | 588 |
| No of departments | 7 | 15 | 7 | 15 | 7 | 15 |
| Mean (T0) | 0.16 | 0.09 | 0.12 | 0.08 | 0.12 | 0.07 |
| SD (T0) | 1.02 | 1.01 | 1.01 | 1.00 | 1.00 | 1.01 |
| Mean (T1) | 0.13 | 0.11 | 0.10 | 0.10 | 0.10 | 0.09 |
| SD (T1) | 0.96 | 0.96 | 0.98 | 0.98 | 0.98 | 0.97 |
| MD (T1–T0) | 0.29 | 0.20 | 0.22 | 0.18 | 0.22 | 0.16 |
| P value | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Threshold T0 | 58.7% | 71.8% | n.s. | n.s. | n.s. | n.s. |
| Threshold T1 | 70.0% | 77.8% | n.s. | n.s. | n.s. | n.s. |
| Hedges‘ g | 0.2993 | 0.1995 | 0.2291 | 0.1836 | 0.2187 | 0.1612 |
Data set A: only departments that had at least 30 valid questionnaires at both time points T0 and T1 were included; Data set B: all departments that had at least one valid questionnaire at each time point were included.
MD, mean difference; n.s, not specified; PICS, Perceived Involvement in Care Scale; PrepDM, preparation for decision-making.