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Table 3 Association of clinical characteristics and duration of stay < 24 h among 1,748 patients at first alcohol-related attendance at ERs

From: A 6-months assessment of the alcohol-related clinical burden at emergency rooms (ERs) in 11 acute care hospitals of an urban area in Germany

  Duration of stay ≥ 24 h (N = 1,148 patients) Duration of stay <24 h (N = 600 patients) OR for duration of stay < 24 h
Clinical factors (%) (%) OR a (95% CI)
Repeat attendance    
Yes (multiple), (N = 297) 56.3 43.7 1.24 (1.04–1.49)
No (single) (N = 1,451) 63.3 36.7 1 (reference)
Clinical degree of alcohol consumption    
High (N = 531) 44.3 55.7 9.39 (5.63–15.64)
Middle (N = 796) 58.4 41.6 5.47 (3.28–9.14)
Low (N = 231) 71.8 28.2 3.04 (1.73–5.35)
Withdrawal (N = 190) 88.8 11.2 1 (reference)
Discharge mode b    
Self-discharge (N = 207) 58.8 41.2 1.33 (0.97–1.81)
Medical discharge (N = 1,173) 66.0 34.0 1 (reference)
Breath test (millilitres)    
>400 (N = 32) 48.4 51.6 6.7 (2.9–15.0)
201–400 (N = 474) 60.7 39.3 4.1 (2.7–6.3)
101–200 (N = 968) 55.6 44.4 5.2 (3.5–7.8)
≤ 100 (N = 274) 86.9 13.1 1 (reference)
Alcohol diagnosis at ER attendance c    
Misuse (N = 497) 33.9 66.1 11.56 (7.67–17.43)
Dependence (N = 924) 68.3 31.7 2.81 (1.91–4.13)
Withdrawal (N = 300) 86.2 13.8 1 (reference)
Diagnosis or suspicion of trauma d    
Yes (N = 263) 37.6 62.4 3.4 (2.51–4.60)
No (N = 1,383) 65.5 34.5 1 (reference)
  1. a separate logistic regression models calculated for each clinical factor showing Odds ratios for the duration of stay below 24 h, adjusted for age and sex; b the category "referral to other hospital" was not considered in this table; see table 1 for information on missing values about mode of discharge; c missing information on diagnosis among 27 cases; d missing information on trauma among 102 cases; OR denotes Odds ratio; CI denotes confidence interval;