Table 2 Results of a multiple linear regression model predicting ED LOS from patient demographic and clinical variables, time of ED presentation, and depression status

Age

−0.07 (−0.26, 0.13)

−0.09

Sex

1.99 (−1.42, 5.40)

0.12

African American race

0.64 (−3.01, 4.30)

0.03

Hispanic ethnicity

2.69 (−0.66, 6.04)

0.16

Median neighborhood income

0.00 (0.00, 0.00)

−0.07

NSTEMI

1.49 (−1.58, 4.57)

0.09

GRACE score

−0.04 (−0.12, 0.03)

−0.16

Presentation time (ref= 8am-4pm)

Midnight—8am

3.03 (−0.52, 6.59)

0.16

4pm—midnight

−2.15 (−5.82, 1.53)

−0.11

Depression status (ref= never depressed)

Current depression*

5.40 (0.40, 10.40)

0.22

Past depression

1.33 (−2.25, 4.91)

0.07