Table 5 Hierarchical regression among single stroke risk factors, LOS, and inpatient costs

Hypertension

(ref: no)

 yes

0.03(-0.11,0.16)

1.19(0.24,2.15)^*

-0.05(-0.17,0.63)

Diabetes mellitus

(ref: no)

 yes

0.26(0.13,0.40)^***

0.81(-0.16,1.79)

0.19(0.07,0.31)^**

Atrial fibrillation

(ref: no)

 yes

0.22(0.04,0.41)^*

1.14(-0.20,2.47)

0.11(-0.05,0.27)

Smoking (ref: no)

 Yes

0.30(0.11,0.49)^**

0.072(-1.29,1.43)

0.29(0.13,0.45)^***

Dyslipidaemia

(ref: no)

 Yes

0.09(-0.08, 0.26)

-0.29(-1.53,0.93)

0.10(-0.05,0.24)

Physical inactivity

(ref: no)

 Yes

0.36(0.23,0.48)^***

1.47(0.57,2.37)***

0.27(0.16,0.38)^***

Obesity

(ref: no)

 yes

1.00(0.45,1.54)^***

1.00(-2.94,4.95)

0.87(0.40,1.34)^***

Family history of stroke(ref: no)

 yes

0.37(-1.14,0.88)

1.78(-1.94,5.49)

0.23(-0.22,0.67)

Mediator

LOS

0.07(0.06,0.08)^***

Adj R-squared

15.66%

4.98%

36.83%