Two-by-two table for validating the pain crises algorithm
| Type of acute care encounters based on the algorithm . | Type of acute care encounters based on chart review . | . | |
|---|---|---|---|
| For pain crises . | Not for pain crises . | Row total . | |
| Pain crises | 58 | 2 | 60 |
| No pain crises | 3 | 57 | 60 |
| Column total | 61 | 59 | 120 |
| Type of acute care encounters based on the algorithm . | Type of acute care encounters based on chart review . | . | |
|---|---|---|---|
| For pain crises . | Not for pain crises . | Row total . | |
| Pain crises | 58 | 2 | 60 |
| No pain crises | 3 | 57 | 60 |
| Column total | 61 | 59 | 120 |
Based on random samples of encounters selected for validation purposes.