Introduction | Recommended Workflows | Calculate follow-up times | Calculate Standardized Incidence Ratios (SIR) | Theory behind SIRs | Examples | SEER lung cancer | Step 1 - Long dataset | Step 2 - Filter long dataset | Step 3 - Renumber time_id | Step 4 - Reshape to wide dataset | Step 5 - Recalculate p_spc | Step 6 - Determine patient status at end of FU | Step 6b - Remove patients irrelevant to analysis depending on status | Step 7 - Calculate FU time | Step 8 - Calculate SIR | Step 9 - Summarize SIR results | Built with