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Index date calculation
| Reported dose, mg | Assumed initiation date |
|---|---|
| 0.0‐0.6 | Initiated on date of visit to WMC |
| 0.7‐1.2 | Initiated 1 week prior to visit to WMC |
| 1.3‐1.8 | Initiated 2 weeks prior to visit to WMC |
| 1.9‐2.4 | Initiated 3 weeks prior to visit to WMC |
| 2.5‐3.0 | Initiated 4 weeks prior to visit to WMC |
