TABLE 1

Demographics and Acuity Levels of Patients Who Had CT Studies in the PED From 2003 to 2010

20032004200520062007200820092010βa95% CIa
Overall CT
 High acuity, %44.442.049.447.847.851.852.453.70.9(0.76 to 2.2)
 Median age, y898899990.6(−0.04 to 0.3)
 Male gender, %55.357.755.354.656.755.656.556.10.1(−0.36 to 0.44)
 Admission,b %27.828.528.229.731.129.737.138.40.9(0.63 to 2.3)
Chief complaint
 Head injury
  High acuity, %39.543.250.248.051.356.952.652.00.8(0.61 to 3.14)
  Admission, %11.213.914.19.711.07.17.98.5−0.8(−1.52 to −0.12)
 Seizure
  High acuity, %42.841.649.947.045.049.750.555.30.8(0.52 to 2.56)
  Admission, %27.733.030.228.124.821.433.935.20.2(−1.58 to 2.22)
 Abdominal pain
  High acuity, %25.020.327.023.422.823.622.920.7−0.4(−1.15 to 0.49)
  Admission, %28.433.431.634.528.52830.126−0.5(−1.62 to 0.43)
 VPS
  High acuity, %99.292.295.691.99697.799.298.40.4(−0.61 to 1.58)
  Admission, %56.45968.472.872.277.380.395.21.0(3.39 to 6.23)
  • a β and CI represent trends with linear regression techniques.

  • b Admission is disposition to the inpatient ward, ICU, or operating room.