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. 2021 Jan 29;22(2):156–162. doi: 10.5811/westjem.2020.11.49030

Table 2.

Results from multivariate regressions.

Model 1 Model 2

Est. p Est. p Est. p Est. p
Verifiable Dx −0.185 0.04 −0.155 0.08
Pain in CC (vs. abdominal pain in CC)
 Pain of head −0.272 0.25 −0.269 0.25
 Pain of face −0.153 0.42 −0.142 0.46
 Pain of neck −0.258 0.50 −0.215 0.58
 Pain of chest −1.049 0.00 −1.100 0.00
 Pain of back 0.631 0.00 0.614 0.00
 Pain of upper extremity 0.244 0.40 0.245 0.38
 Pain of lower extremity 0.541 0.01 0.528 0.02
 Pain of other body parts −0.651 0.16 −0.683 0.15
 Pain of multiple body parts (excluding injuries) 0.131 0.43 0.122 0.46
 Pain from injuries −0.956 0.00 −0.997 0.00
 Pain but no body parts mentioned −0.358 0.04 −0.417 0.02
Verifiable painful Dx (vs. abdominal pain in CC)
 Fractures or dislocations 0.191 0.43 0.208 0.38
 Superficial soft tissue injuries −0.221 0.17 −0.209 0.20
 Deep soft tissue injuries −1.476 0.00 −1.442 0.00
 Head injuries −1.828 0.02 −1.783 0.02
 Thoracic, abdominal and pelvic injuries 0.109 0.94 0.199 0.88
 Other injuries −0.691 0.02 −0.686 0.02
 Multisystem injuries −0.143 0.73 −0.155 0.71
 Acute MI −0.794 0.31 −1.019 0.20
 Kidney and ureteral stones 0.841 0.00 0.893 0.00
 Intestinal obstructions 0.455 0.42 0.430 0.46
≥ 65 years old −0.971 0.00 −0.877 0.00 −0.921 0.00 −0.865 0.00
Female 0.331 0.00 0.307 0.00 0.259 0.00 0.233 0.01
Race/ethnicity (vs. Non-Hispanic white)
 Non-Hispanic black 0.181 0.14 0.217 0.07 0.186 0.14 0.225 0.06
 Hispanic −0.188 0.19 −0.141 0.32 −0.205 0.15 −0.153 0.28
 Other races −0.450 0.16 −0.434 0.15 −0.438 0.15 −0.414 0.15
MSA 0.699 0.01 0.697 0.01 0.683 0.01 0.679 0.01
Region (vs Northeast)
 Midwest −0.077 0.82 −0.092 0.78 −0.089 0.79 −0.113 0.73
 South 0.181 0.55 0.196 0.51 0.171 0.57 0.185 0.53
 West 0.011 0.98 0.009 0.98 0.017 0.96 0.018 0.96
Comorbidities
 Diabetes 0.347 0.02 0.350 0.02
 Asthma 0.098 0.50 0.145 0.29
 COPD 0.121 0.54 0.200 0.31
 CAD 0.030 0.87 0.168 0.34
 Depression 0.493 0.00 0.528 0.00
 Hyperlipidemia −0.303 0.10 −0.292 0.12
 Hypertension −0.142 0.19 −0.117 0.26
 Substance abuse 0.433 0.01 0.430 0.01

Dx, diagnosis; CC, chief complaints; MI, myocardial infarction; MSA, metropolitan statistical area; COPD, chronic obstructive pulmonary disease; CAD, coronary artery disease.