e-Table 1. Population size, mean, standard deviation for "Maximum pain intensity since surgery" over time for the six participating hospitals.
| Baseline survey | 2nd quarter benchmark | Last quarter benchmark | |||||||
| N | Mean | SD | N | Mean | SD | N | Mean | SD | |
| Hospital 1 | 163 | 4.41 | 2.88 | 351 | 2.50 | 2.40 | 210 | 3.36 | 2.62 |
| Hospital 2 | 226 | 5.11 | 2.57 | 213 | 5.95 | 2.39 | 246 | 5.45 | 2.59 |
| Hospital 3 | 153 | 5.42 | 2.62 | 100 | 4.61 | 2.47 | 290 | 5.01 | 2.75 |
| Hospital 4 | 193 | 4.34 | 2.44 | 169 | 3.67 | 2.26 | 243 | 3.53 | 2.20 |
| Hospital 5 | 334 | 4.40 | 2.64 | 209 | 3.69 | 2.26 | 137 | 5.36 | 2.34 |
| Hospital 6 | 274 | 5.11 | 2.69 | 397 | 3.55 | 2.26 | 139 | 3.88 | 2.04 |
N, total number of data sets; SD, standard deviation