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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)