Table 2.
The Characteristics of the Physicians Associated with the Treated Patients
| Overall Cohort | 3D | IMRT | Chi-sq P | |
|---|---|---|---|---|
| N = 2553 (100%) | N=2240(100%) | N=313 (100%) | ||
| Board Certified | ||||
| Yes | 2190(85.8) | 1928(86.1) | 262(83.7) | 0.5293 |
| No/Unknown | 363(14.2) | 312(13.9) | 51(16.3) | |
| Graduation Years | ||||
| Prior to 1980 | 657(25.7) | 594(26.5) | 63(20.1) | 0.0421 |
| 1980-1989 | 947(37.1) | 833(37.2) | 114(36.4) | |
| After 1990 | 652(25.5) | 558(24.9) | 94(30.0) | |
| Unknown | 297(11.6) | 255(11.4) | 42(13.4) | |
| Physician Gender | ||||
| F | 393(15.4) | 343(15.3) | 50(16.0) | 0.5145 |
| M | 1863(73.0) | 1642(73.3) | 221(70.6) | |
| Unknown | 297(11.6) | 255(11.4) | 42(13.4) | |
| US Trained | ||||
| No | 376(14.7) | 313(14.0) | 63(20.1) | 0.0111 |
| Yes | 1901(74.5) | 1687(75.3) | 214(68.4) | |
| Unknown | 276(10.8) | 240(10.7) | 36(11.5) | |
| Physician Type | ||||
| MD | 2244(87.9) | 1969(87.9) | 275(87.9) | 0.5126 |
| DO/Unknown | 309(12.1) | 271(12.1) | 38(12.1) | |
| Physician Age | ||||
| 34-46 | 407(15.9) | 341(15.2) | 66(21.1) | 0.0099 |
| 46-52 | 619(24.3) | 537(24.0) | 82(26.2) | |
| 52-60 | 673(26.4) | 606(27.1) | 67(21.4) | |
| 60-85 | 557(21.8) | 501(22.4) | 56(17.9) | |
| Unknown | 297(11.6) | 255(11.4) | 42(13.4) | |
| Physician Training Years | ||||
| 3-13 | 470(18.4) | 388(17.3) | 82(26.2) | 0.0017 |
| 13-19 | 563(22.1) | 503(22.5) | 60(19.2) | |
| 19-28 | 652(25.5) | 579(25.9) | 73(23.3) | |
| 28-61 | 521(20.4) | 470(21.0) | 51(16.3) | |
| Unknown | 347(13.6) | 300(13.4) | 47(15.0) |
*
A total of 1124 physicians by Upin had seen the cohort of 2553 patients, among them, 136 physicians’ information were missing, resulting up to 297 patients’ physicians’ demographic not identified.