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Response rate
| Email versus SMS | Pre-surgery | 1 Week post-surgery | 4 Weeks post-surgery | Overall | |
|---|---|---|---|---|---|
| Sent | 2039 | 4547 | 4547 | 11,133 | |
| Responses | 724 | 1373 | 780 | 2877 | |
| Response rate | 35.5% | 30.2% | 17.2% | 25.8% | |
| Short message service (SMS) | Sent | 1905 | 3507 | 3507 | 8919 |
| Responses | 1032 | 1309 | 767 | 3108 | |
| Response rate | 54.2% | 37.3% | 21.9% | 34.8% | |
| Overall | Pre-surgery | 1 Week post-surgery | 4 Weeks post-surgery | Overall | |
| Sent | 3944 | 8054 | 8054 | 20,052 | |
| Responses | 1756 | 2682 | 1547 | 5985 | |
| Response rate | 44.5% | 33.3% | 19.2% | 29.8% |
