Table 3: Sensitivity Analysis - Difference in days between LOS measures for all hospital volumes after episode exclusion.

 

 

All episodes

Excl.

Dead

Excl.

Cancer

Excl.

Charlson>0

Excl.

Hosp. admissions

Excl.

Hosp. discharges

 

 

n=8120

n=7498

n=6869

n=5109

n=7657

n=7659

LOS

           
 

Low vs High

-6.6 (<0.01)

-7.1 (<0.01)

-6.7 (<0.01)

-5.5 (<0.01)

-6.2 (<0.01)

-6.4 (<0.01)

 

Medium vs High

-6.2 (<0.01)

-6.6 (<0.01)

-6.3 (<0.01)

-5.1 (<0.01)

-6.0 (<0.01)

-6.3 (<0.01)

 

Low vs Medium

-0.4 (0.58)

-0.5 (0.42)

-0.4 (0.60)

-0.5 (0.46)

-0.1 (0.84)

-0.2 (0.80)

Pre-op LOS

           
 

Low vs High

-1.4 (<0.01)

-0.8 (0.01)

-0.7 (0.02)

-0.8 (0.01)

-0.7 (0.01)

-0.8 (0.01)

 

Medium vs High

0.7 (0.01)

-1.3 (<0.01)

-1.3 (<0.01)

-1.4 (<0.01)

-1.4 (<0.01)

-1.5 (<0.01)

 

Low vs Medium

-5.7 (<0.01)

0.5 (0.05)

0.6 (0.02)

0.6 (0.01)

0.7 (0.01)

0.7 (0.01)

Post-op LOS

           
 

Low vs High

-1.1 (0.06)

-6.1 (<0.01)

-5.8 (<0.01)

-4.6 (<0.01)

-5.3 (<0.01)

-5.5 (<0.01)

 

Medium vs High

0.3 (0.49)

-5.0 (<0.01)

-4.7 (<0.01)

-3.5 (<0.01)

-4.4 (<0.01)

-4.7 (<0.01)

 

Low vs Medium

-1.0 (0.02)

-1.1 (0.05)

-1.0 (0.11)

-1.0 (0.06)

-0.9 (0.12)

-0.9 (0.13)

ICU LOS

           
 

Low vs High

0 (<0.01)

0.3 (0.58)

0 (0.98)

0.4 (0.41)

0.6 (0.25)

0.5 (0.32)

 

Medium vs High

0 (<0.01)

-1.2 (<0.01)

-1.4 (<0.01)

-0.8 (0.06)

-0.7 (0.08)

-1.1 (0.01)

 

Low vs Medium

0 (<0.01)

1.4 (<0.01)

1.4 (0.01)

1.2 (0.01)

1.3 (<0.01)

1.6 (<0.01)

All measures represent adjusted mean difference in the number of days; p-values are represented in parenthesis