Table 2.

Comparisons of operative and non-operative admissions

	Operative (n = 34,046)		Non-operative (n = 3399)		P-Value
	Mean	SD	Mean	SD
Number of admissions	2269.7	283.2	226.6	42.1
Age	56.6	21.6	48.4	22.1	< 0.01*
Sex	Male	Female	Male	Female
	19,372	14,674	1899	1500	0.255+
	Mean	SD	Mean	SD
Cost (United State Dollar)	1039.3	596.0	412.1	393.1	< 0.01*
Hospital Stay (Days)	3.7	4.3	5.6	5.6	< 0.01*

*Two-sample t-test

+Chi-square test