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Use of the X-ray at Pennsylvania Hospital as a Percentage of Patients Having an X-ray Taken*
| Year | All Patients | Excluding Patients Admitted With Diseases of the Tonsils | Patients With Fractures Only |
| 1900 | 1.31 (0.426-3.02) | 1.33 (0.434-3.08) | 8.7 (1.01-28.0) |
| 1909 | 6.97 (4.68-9.91) | 8.19 (5.51-11.6) | 50 (26.0-74.0) |
| 1920 | 16.78 (13.4-20.6) | 22.02 (17.7-26.8) | 100 (76.8-100) |
| 1925 | 25.25 (21.0-29.8) | 32.54 (27.2-38.2) | 85.7 (57.1-98.2) |
*Given by a non-member
From Howell (16) with permission.
