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Table 2 Univariable logistic regression analysis of risk factors for adverse outcomes in revisits with repeat imaging

From: Impact of diagnostic errors on adverse outcomes: learning from emergency department revisits with repeat CT or MRI

Variables Total RVRIs Early RVRIs Late RVRIs
OR (95% CI) P OR (95% CI) P OR (95% CI) P
Age 1.01 (1–1.02) .05 1.01 (1–1.02) .21 1.01 (1–1.03) .14
Sex, male 1.33 (0.98–1.82) .07 1.27 (0.82–1.96) .28 1.4 (0.9–2.18) .14
Comorbidities
CAD 1.34 (0.81–2.22) .26 1.08 (0.5–2.31) .85 1.61 (0.82–3.16) .17
Asthma 0.47 (0.14–1.56) .22 0.48 (0.11–2.1) .33 0.46 (0.06–3.67) .46
COPD 2.06 (0.88–4.85) .10 1.79 (0.55–5.84) .33 2.45 (0.7–8.54) .16
CKD 0.74 (0.34–1.59) .44 0.62 (0.18–2.11) .44 0.83 (0.31–2.22) .71
DM 0.99 (0.67–1.46) .95 1.31 (0.74–2.29) .35 0.77 (0.44–1.33) .34
Malignancy 2.03 (1.48–2.78) < .001* 2.16 (1.36–3.43) .001* 2.01 (1.28–3.14) .002*
Revisit timing, late 1.05 (0.77–1.43) .74     
Diagnostic error status
Misdiagnoses 6.36 (3.69–10.98) < .001 11.51 (5.08–26.06) < .001* 3.85 (1.82–8.16) < .001*
D-RT 2.74 (1.55–4.82) < .001 3.61 (1.85–7.06) < .001* 2.08 (0.62–6.93) .23
Clinician errors 1.78 (1.1–2.87) .02 3.07 (1.7–5.55) < .001* 0.71 (0.27–1.88) .49
Non-errors 1 < .001 1 < .001 1 .004
Disease categories
1. Neurologic diseases 1.74 (0.92–3.29) .09 1.67 (0.73–3.84) .23 1.79 (0.67–4.81) .25
2. Digestive diseases 4.14 (2.17–7.92) < .001* 3.96 (1.63–9.63) .002* 4.44 (1.71–11.57) .002*
3. Neoplasms 5.41 (2.84–10.3) < .001* 6.12 (2.46–15.23) < .001* 5.3 (2.07–13.56) < .001*
4. Traumatic injuries 0.68 (0.25–1.82) .44 0.36 (0.07–1.74) .20 1.2 (0.32–4.5) .79
5. Respiratory diseases 2.62 (1.08–6.35) .03* 1.7 (0.41–7.08) .47 3.55 (1.08–11.65) .04*
6. Genitourinary diseases 1.42 (0.48–4.19) .53 1.01 (0.2–5.16) .99 1.94 (0.44–8.54) .38
7. Infections 1.59 (0.54–4.73) .40 1.6 (0.39–6.65) .52 1.56 (0.29–8.47) .61
8. Circulatory diseases 8.53 (3.42–21.29) < .001* 12.37 (3.63–42.21) < .001* 5.19 (1.22–21.95) .03*
9. Healthcare-related complications 5.73 (1.84–17.83) .003* 4.81 (1.18–19.59) .03* 7.78 (1.08–55.99) .04*
10. Other diseases 1 < .001 1 < .001 1 .001
  1. Data are shown as odds ratios with 95% confidence intervals in parentheses. Univariable logistic analysis was performed with backward elimination using penalized maximum likelihood estimation.
  2. CAD, Coronary artery disease; CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease; DM, diabetes mellitus; ED, emergency department; RVRIs, revisits with repeat imaging; D-RT, delayed radiology reporting time; CI, confidence interval; OR, odds ratio
  3. *p values < .05