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Table 5 Predictors of duration of hospital stay among patients with hypertension who were admitted to the hospital after presenting to ED with hypertension as the primary diagnosis

From: Emergency Department and Inpatient Healthcare utilization due to Hypertension

 

Univariate

Multivariable-adjusted

 

Beta-estimatea (95 % CI)

Beta-estimatea (95 % CI)

Age

 <50

Ref

Ref

 50- <65

0.49 (0.37, 0.61)***

0.47 (0.35,0.59)***

 65- <80

1.00 (0.86, 1.15)***

0.83 (0.66,1.01)***

 ≥80

1.13 (0.97, 1.29)***

0.89 (0.72,1.05)***

Gender

 Female

Ref

Ref

 Male

0.17 (0.08, 0.26)**

−0.03 (−0.12,0.06)

Median house hold income

 1st quartile (< $38,999)

Ref

Ref

 2nd quartile ($39,000 to $47,999)

0.06 (−0.09, 0.20)

0.09 (−0.04, 0.22)

 3rd quartile ($48,000 to $62999)

0.07 (−0.10, 0.25)

0.06 (−0.10, 0.23)

 4th quartile ($63,000 or more)

0.27 (0.07, 0.48)**

0.09 (−0.08, 0.27)

Primary payer

 Medicare (ref)

Ref

Ref

 Medicaid

−0.10 (−0.27, 0.08)

0.47 (0.28, 0.66)***

 Private insurance

−1.05 (−1.17, −0.93)***

−0.14 (−0.27, 0.00)*

 Self-pay/No charge

−1.32 (−1.50, −1.14)***

−0.19 (−0.40, 0.03)

 Other

−0.92 (−1.28, −0.56)***

0.03 (−0.33, 0.39)

Patient location (residence)

 Micropolitan/not metro

Ref

Ref

 Metro (large or small)

0.36 (0.15, 0.56)**

0.17 (0.02, 0.32)*

Hospital Region

 Northeast

Ref

Ref

 Midwest

−0.85 (−1.17, −0.53)***

−0.88 (−1.16, −0.60)***

 South

−0.58 (−0.87, −0.29)**

−0.56 (−0.81, −0.31)***

 West

−0.58 (−0.89, −0.26)**

−0.85 (−1.13, −0.56)***

Teaching status of hospital

 Metropolitan non -teaching or non-metro

Ref

Ref

 Metropolitan teaching

0.24 (0.05, 0.44)*

0.19 (0.02, 0.35)*

Comorbidities

 CHD (ref: no)

0.54 (0.44, 0.65)***

−0.05 (−0.14, 0.05)

 Hyperlipidemia (ref: no)

−0.51 (−0.60, −0.41)***

−0.59 (−0.68, −0.50)***

 Renal failure (ref: no)

2.10 (1.95, 2.25)***

1.63 (1.48, 1.78)***

 Heart Failure (ref: no)

2.07 (1.94, 2.20)***

1.53 (1.41, 1.65)***

 Gout (ref: no)

−0.48 (−0.66, −0.31)***

0.13 (−0.05, 0.30)

 Diabetes (ref: no)

0.57 (0.47, 0.67)***

0.11 (0.02, 0.21)*

 COPD (ref: no)

1.01 (0.87, 1.15)***

0.29 (0.16, 0.42)***

 Osteoarthritis (ref: no)

−0.16 (−0.32, −0.01)*

−0.16 (−0.30, −0.02)*

  1. CHD, coronary heart disease; COPD, chronic obstructive pulmonary disease
  2. abeta-estimate from linear regression
  3. *p-value <0.05; **p-value <0.01; ***p-value <0.001; Significant estimates are in bold