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Table 3 Characteristics for which academic and non-academic EDs did not differ in the primary analysis

From: Clinical operations of academic versus non-academic emergency departments: a descriptive comparison of two large emergency department operations surveys

 

Academic EDs (n = 80)

Non-Academic EDs (n = 454)

Matched Non-Academic EDs (n = 80)

Demographic and operational characteristics

 Admission rate for patients arriving via EMS (%)

  Median (95% CI)

44 (41 to 48)

42 (41 to 44)

48 (46 to 50)

  IQR (95% CI)

37 (29 to 40) – 52 (48 to 59)

36 (35 to 37) – 48 (47 to 50)

42 (37 to 45) – 51 (51 to 58)

Non-responders

27 (34%)

149 (33%)

15 (19%)

 Proportion of patients with high CPT code (%)

  Median (95% CI)

75 (71 to 78)

72 (71 to 73)

74 (72 to 76)

  IQR (95% CI)

67 (64 to 69) – 81 (79 to 83)

66 (65 to 68) – 77 (76 to 79)

67 (62 to 71) – 80 (77 to 82)

  Non-responders

6 (7.5%)

31 (6.8%)

3 (3.8%)

Timeliness of care measures

 Arrival-to-provider time (min)

  Median (95% CI)

26 (23 to 32)

25 (23 to 27)

28 (23 to 32)

  IQR (95% CI)

19 (17 to 21) – 42 (34 to 53)

16 (14 to 17) – 37 (34 to 40)

16 (13 to 20) – 39 (34 to 46)

  Non-responders

7 (8.8%)

37 (8.1%)

4 (5.0%)

Imaging utilization measures

 X-rays

% of patients with at least one X-ray

Total X-rays per 100 patients

Total X-rays per 100 patients

  Median (95% CI)

39 (38 to 41)

42 (41 to 44)

48 (44 to 50)

  IQR (95% CI)

36 (32 to 38) – 44 (41 to 48)

35 (33 to 37) – 50 (49 to 52)

40 (34 to 43) – 54 (51 to 59)

  Non-responders

37 (46%)

118 (26%)

17 (21%)

 CT imaging

% of patients with at least one CT

Total CTs per 100 patients

Total CTs per 100 patients

  Median (95% CI)

22 (20 to 25)

23 (21 to 24)

26 (24 to 29)

  IQR (95% CI)

17 (15 to 20) – 27 (25 to 29)

16 (14 to 18) – 29 (28 to 31)

21 (18 to 23) – 33 (30 to 38)

  Non-responders

33 (41%)

117 (26%)

13 (16%)

 US imaging

% of patients with at least one US

Total US per 100 patients

Total US per 100 patients

  Median (95% CI)

6.1 (4.4 to 7.7)

6.7 (6.2 to 7.1)

6.3 (5.5 to 7.5)

  IQR (95% CI)

2.8 (1.6 to 4.7) – 9.5 (7.5 to 13)

4.9 (4.4 to 5.2) – 9.1 (8.7 to 9.7)

4.5 (3.3 to 5.3) – 8.9 (7.5 to 10.1)

  Non-responders

42 (53%)

194 (43%)

29 (36%)

  1. EMS Emergency medical services, CPT Current Procedural Terminology (a registered trademark of the American Medical Association), CT Computerized tomography, US Ultrasound, CI Confidence interval, IQR Interquartile range
  2. Proportion of patients with high CPT code is the proportion of patients with CPT code 99284, 99285 or 99,291
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BMC Emergency Medicine

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