Table 3 Comparison of two methods for categorizing physicians
From: Incorporating statistical uncertainty in the use of physician cost profiles
| Cut-off method | T-test method with p-value ≤ 0.05 | Total | ||
|---|---|---|---|---|
|
High Cost n(%) |
Average Cost n(%) |
Low Cost n(%) | ||
| High Cost |
1030 (11.9) |
1154 (13.3) |
0 (0.0) |
2184 (25.1) |
| Average Cost |
42 (0.5) |
4127 (47.5) |
152 (1.8) |
4321 (49.7) |
| Low Cost |
0 (0.0) |
1216 (14.0) |
968 (11.1) |
2184 (25.1) |
| Total |
1072 (12.3) |
6497 (74.8) |
1120 (12.9) |
8689 (100.0) |