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Test statistics
| Specialist field | Public insurance | Private insurance | Test statistic W | p value | Ratio | ||||
| Mean | Std. | N | Mean | Std. | N | ||||
| Allergology/Pneumology | 19.8 | 6.3 | 5 | 14.6 | 6.2 | 5 | 6.0 | 0.207 | 1.4 |
| Ophthalmology | 24.9 | 32.7 | 22 | 8.5 | 13.9 | 22 | 128.5 | 0.008 | 2.9 |
| Diagnostic Radiology | 18.5 | 17.0 | 8 | 1.1 | 1.7 | 10 | 0.5 | <0.001 | 16.8 |
| Gastroenterology | 40.4 | 28.7 | 5 | 8.2 | 6.1 | 5 | 1.0 | 0.020 | 4.9 |
| ENT | 6.0 | 6.7 | 22 | 2.9 | 5.3 | 24 | 168.0 | 0.031 | 2.1 |
Std. = standard deviation; N = number of subjects
