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Table 3 Unadjusted logistic regression modeling

From: Early recognition of risk factors for adverse outcomes during hospitalization among Medicare patients: a prospective cohort study

Description Falls, HAPUa, PCb, ICUc transfer HAId, ADEe, LOSf > 7 days Readmission
within 30 daysh
[Cluster 1] [Cluster 2]
OR (95% CI) OR (95% CI) OR (95% CI)
≥4 active comorbid conditionsg 0.87 (0.32, 2.38) 2.46 (1.15, 5.24) 1.58 (0.71, 3.53)
Admitted from a skilled nursing facility 0.40 (0.05, 3.14) 1.35 (0.54, 3.39) 1.61 (0.59, 4.44)
Ages 80 years and older 0.54 (0.14, 2.11) 2.60 (0.98, 6.91) 1.39 (0.53, 3.61)
Altered mental status 1.62 (0.44, 6.04) 0.91 (0.34, 2.46) 0.92 (0.29, 2.89)
Anemia 1.49 (0.60, 3.71) 2.40 (1.32, 4.37) 2.37 (1.20, 4.69)
Charlson Comorbidity Index Score > =4 0.56 (0.20, 1.60) 1.54 (0.84, 2.82) 1.56 (0.79, 3.06)
Cognitive impairment 0.27 (0.08, 0.96) 2.31 (1.27, 4.22) 0.78 (0.38, 1.57)
Deconditioning 0.31 (0.04, 2.39) 1.88 (0.84, 4.25) 0.86 (0.31, 4.43)
Decubitus ulcer present at admission 1.21 (0.26, 5.69) 3.62 (1.31, 10.01) 3.31 (1.15, 9.47)
Dehydration 1.18 (0.47, 2.94) 1.65 (0.91, 2.98) 1.55 (0.79, 3.01)
Delirium 1.73 (0.00, 10.53) 0.76 (0.08, 7.45) 1.24 (0.13, 12.16)
Depression screen positive* 1.00 (0.38, 2.62) 1.85 (0.95, 3.59) 1.51 (0.73, 3.11)
Feeding tube present at admission 1.33 (0.16, 11.46) 4.06 (0.94, 17.51) 1.24 (0.24, 6.36)
Functional impairment 0.53 (0.19, 1.49) 2.46 (1.35, 4.49) 2.29 (1.17, 4.48)
Hyponatremia 1.02 (0.22, 4.75) 1.60 (0.62, 4.13) 3.52 (1.36, 9.13)
Hypoalbuminemia 1.17 (0.32, 4.28) 2.41 (1.06, 5.47) 0.91 (0.32, 2.58)
Potentially inappropriate medications 2.93 (1.17, 7.34) 0.91 (0.49, 1.69) 1.13 (0.57, 2.27)
Use of a major tranquilizer 2.28 (0.89, 5.88) 1.15 (0.58, 2.28) 1.47 (0.70, 3.08)
Polypharmacy** 0.75 (0.28, 1.99) 1.08 (0.60, 1.95) 1.02 (0.53, 1.98)
Recent admissions:    
>1 within the past 30 days 0.41 (0.12, 1.44) 1.39 (0.74, 2.64) 2.95 (1.48, 5.87)
≥2 within the past 6 months 0.74 (0.22, 2.42) 1.64 (0.84, 3.20) 1.75 (0.84, 3.66)
Recent unintentional weight loss 3.68 (1.43, 9.46) 2.98 (1.48, 6.02) 1.02 (0.44, 2.32)
  1. aHAPU = hospital-acquired pressure ulcer(s); bPC = procedural complications; cICU = intensive care unit; eHAI = hospital-acquired infection(s); fLOS = Length of hospital stay. gAt least one of the conditions was required to be “uncontrolled” (not at therapeutic goal). hThree patients died during admission and were excluded from the analysis of readmissions. Complete data available from only (*)n = 178 or (**)n = 205.