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Yearly indirect costs of spinal cord stimulation group and controls by period, predicted using two-part regression model.
| N | Before period (month 24-12 preceding index date), mean (standard error) | After period (month 24-12 after index date), mean (standard error) | Difference mean (standard error) | |
|---|---|---|---|---|
| SCS group | 1082 | 19,895 (652) | 16,146 (598) | −3749 (885) |
| Reference group | 5410 | 5352 (173) | 5729 (183) | 378 (252) |
| Difference | 14,543 (675) | 10,417 (625) | DiD: −4127/Patient |
SCS, spinal cord stimulation.
