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. Author manuscript; available in PMC: 2022 Jan 1.
Published in final edited form as: Am J Emerg Med. 2020 Jan 17;39:102–108. doi: 10.1016/j.ajem.2020.01.029

Table 1.

ED Site Demographics

2017–2018 n (%) 2017 Only n (%) 2018 Only n (%)

ALL TARGETS

TOTAL 305 (100%) 143 (100%) 272 (100%)

Volume
Small (<20K) 76 (25%) 26 (18%) 76 (28%)
Medium (20–60K) 157 (51%) 74 (52%) 153 (56%)
Large (>60K) 44 (14%) 15 (10%) 43 (16%)
Unknown 28 (9%) 28 (20%) 0 (0%)

Region
Urban 208 (68%) 87 (61%) 203 (75%)
Rural 69 (23%) 28 (20%) 69 (25%)
Unknown 28 (9%) 28 (20%) 0 (0%)

ATRAUMATIC LOW BACK PAIN

TOTAL 280 (100%) 127 (100%) 257 (100%)

Volume
Small (<20K) 75 (27%) 26 (20%) 75 (29%)
Medium (20–60K) 144 (51%) 67 (53%) 143 (56%)
Large (>60K) 39 (14%) 12 (9%) 39 (15%)
Unknown 22 (8%) 22 (17%) 0 (0%)

Region
Urban 191 (68%) 78 (61%) 190 (74%)
Rural 67 (24%) 27 (21%) 67 (26%)
Unknown 22 (8%) 22 (17%) 0 (0%)

SYNCOPE

TOTAL 278 (100%) 127 (100%) 259 (100%)

Volume
Small (<20K) 73 (26%) 26 (20%) 73 (28%)
Medium (20–60K) 148 (53%) 72 (57%) 145 (56%)
Large (>60K) 41 (15%) 13 (10%) 41 (16%)
Unknown 16 (6%) 16 (13%) 0 (0%)

Region
Urban 197 (71%) 83 (65%) 194 (75%)
Rural 65 (23%) 28 (22%) 65 (25%)
Unknown 16 (6%) 16 (13%) 0 (0%)

MINOR HEAD INJURY

TOTAL 280 (100%) 123 (100%) 259 (100%)

Volume
Small (<20K) 74 (26%) 25 (20%) 74 (29%)
Medium (20–60K) 147 (53%) 66 (54%) 145 (56%)
Large (>60K) 41 (15%) 14 (11%) 40 (15%)
Unknown 18 (6%) 18 (15%) 0 (0%)

Region
Urban 195 (70%) 79 (64%) 192 (74%)
Rural 67 (24%) 26 (21%) 67 (26%)
Unknown 18 (6%) 18 (15%) 0 (0%)