Table 1.
Hypothetic Example of Propensity Score Analysis Comparing Two Intervention Groups, A and B
| Characteristic | Overall Sample |
Quintiles of Propensity Score* |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1* |
2 |
3 |
4 |
5* |
||||||||
| A | B | A | B | A | B | A | B | A | B | A | B | |
| Mean age, years | 45.3 | 56.9 | 58.9 | 59.0 | 56.2 | 56.1 | 50.4 | 50.4 | 46.9 | 46.7 | 43.0 | 43.2 |
| No. of comorbidities | ||||||||||||
| 0 | 54.0 | 26.5 | 60.8 | 60.4 | 51.7 | 51.8 | 43.6 | 43.4 | 38.9 | 39 | 24.3 | 24.5 |
| 1-2 | 34.7 | 28.8 | 36.8 | 36.9 | 34.4 | 34.4 | 32 | 32.1 | 29.7 | 29.5 | 26.4 | 26.5 |
| > 3 | 11.3 | 44.7 | 2.4 | 2.7 | 13.9 | 13.8 | 24.4 | 24.5 | 31.4 | 31.5 | 49.3 | 49 |
*
Quintile 1 is the lowest probability of receiving intervention A, and quintile 5 is the highest probability of receiving intervention A.