Demographic | Pre-protocol | Post protocol year 1 | Post protocol year 2 |
---|---|---|---|
Total patients | 400 | 927 | 431 |
Gender—M/F | 190/210 (49% M) | 441/486 (48% M) | 134/237 (47% M) |
Age | 9.67 years | 9.46 years | 9.77 years |
Length of symptoms | 3.4 days | 3.5 days | 2.0 days |
PAS Score | 3.6 | 3.0 | 4.3 |
Number of patients with radiologic tests | 220 (55%) | 455 (50%) | 380 (88%) |
US obtained first | 129 (58%) | 381 (84%) | 345 (91%), p < .001 |
CT obtained first | 88 (42%) | 71 (16%) | 33 (8%), p < .001 |
Total CTs completed (% of all patients) | 133 (37%) | 151 (16%) | 112 (25%) |