Table 2.
Comparison of Differences in the SURE Scale Score between the Classical and PtDA Groups
| Question | Location | Classical group (n =1,470) | PtDA group (n = 1,516) | Difference (95% CI) | P value |
|---|---|---|---|---|---|
| 1. I had full knowledge about muscle relaxant reversal agents before this pre-anesthetic consultation [Baseline]. | North | 1.43 ± 0.85 | 1.48 ± 0.89 | −0.053 (−0.119, 0.013) | 0.120 |
| South | 1.38 ± 1.05 | 1.41 ± 1.07 | −0.033 (−0.260, 0.194) | 0.780 | |
| Total | 1.42 ± 0.87 | 1.48 ± 0.91 | −0.052 (−0.116, 0.012) | 0.110 | |
| 2. I learned enough information about the muscle relaxant reversal agents during this consultation [Extra question]. | North | 3.63 ± 0.86 | 4.06 ± 0.75 | −0.429 (−0.490, −0.367) | <0.001 |
| South | 3.90 ± 1.01 | 4.19 ± 0.87 | −0.291 (−0.493, −0.088) | 0.005 | |
| Total | 3.67 ± 0.88 | 4.07 ± 0.77 | −0.408 (−0.467, −0.349) | <0.001 | |
| 3. I learned the advantages and disadvantages of the muscle relaxant reversal agents during this consultation [Understanding information]. | North | 3.78 ± 0.83 | 4.22 ± 0.69 | −0.437 (−0.495, −0.379) | <.001 |
| South | 3.94 ± 0.97 | 4.21 ± 0.80 | −0.272 (−0.464, −0.081) | 0.006 | |
| Total | 3.80 ± 0.85 | 4.21 ± 0.70 | −0.417 (−0.473, −0.361) | <0.001 | |
| 4. I fully understand the benefits and risks of the choice of muscle relaxant reversal agent [Risk-benefit ratio]. | North | 3.88 ± 0.84 | 4.23 ± 0.69 | −0.348 (−0.406, −0.289) | <0.001 |
| South | 3.94 ± 0.93 | 4.23 ± 0.77 | −0.293 (−0.478, −0.108) | 0.002 | |
| Total | 3.89 ± 0.85 | 4.23 ± 0.69 | −0.341 (−0.396, −0.285) | <0.001 | |
| 5. My choice of muscle relaxant reversal agent feels right to me [Sure of myself]. | North | 4.07 ± 0.86 | 4.23 ± 0.84 | −0.159 (−0.224, −0.094) | <0.001 |
| South | 4.30 ± 0.71 | 4.41 ± 0.68 | −0.108 (−0.258, 0.041) | 0.160 | |
| Total | 4.10 ± 0.85 | 4.25 ± 0.83 | −0.148 (−0.208, −0.088) | <0.001 | |
| 6. I received necessary support and suggestions while deciding on the muscle relaxant reversal agent [Encouragement]. | North | 4.00 ± 1.22 | 4.06 ± 1.16 | −0.060 (−0.151, 0.030) | 0.190 |
| South | 4.40 ± 0.69 | 4.53 ± 0.59 | −0.131 (−0.269, 0.008) | 0.060 | |
| Total | 4.05 ± 1.17 | 4.11 ± 1.13 | −0.057 (−0.140, 0.025) | 0.170 |
The questions represent the 4-item SURE (sure of myself; understand information; risk-benefit ratio; encouragement) scale. Values are presented as mean ± SD. PtDAs: patient decision aids. The mean differences between groups were tested using t-tests and presented as two-sided P values.