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. 2007 Mar;24(3):170–174. doi: 10.1136/emj.2006.039883

Table 4 Use of specified resources per Emergency Severity Index category.

Patients seen, n (%) Consultations, n (%) Blood tests, n (%) ECG, n (%) x –Ray, n (%) Urine analysis, n (%)
ESI‐2 34 (2) 29 (85) 26 (76) 17(50) 16(47) 3(9)
ESI‐3 128 (7) 68 (53) 75 (59) 43(34) 54(42) 16(13)
ESI‐4 685 (37) 158 (23) 67 (10) 32(5) 302(44) 66(10)
ESI‐5 983 (54) 53 (5) 15 (2) 14(1) 50(5) 39(4)

ECG, electrocardiogram; ESI, Emergency Severity Index.