Table 4.

Predicted difference in probability of receiving major cancer surgery at high-volume hospital between patients with 2 or more comorbidities and patients with 0 or 1 comorbidity (Nationwide Inpatient Sample 1998–2010)

Time period	Esophageal	Distal gastric	Total gastric	Liver	Pancreatic	Rectal
	Predicted difference in probability of operation at HVH (standard deviation)
1998–2003	5.1% (1.5%)	.3% (.1%)	5.2% (1.5%)	3.7% (.8%)	5.8% (1.6%)	2.1% (.7%)
2003–2007	4.7% (1.0%)	2.1% (.6%)	5.0% (1.7%)	.8% (.2%)	4.9% (1.1%)	2.7% (.7%)
2007–2010	4.3% (.8%)	.1% (.0%)	6.1% (1.7%)	4.7% (1.2%)	5.0% (1.0%)	2.9% (.9%)

HVH = high-volume hospital.