Groups	Dependent variables			LSD Post hoc
Groups	Mean	Standard deviation	F statistics	LSD Post hoc
	Age
1) Sepsis	67.93	19.88	7.907**	1 > 3; 2 > 3
2) Heart failure	67.34	12.88
3) COPD	60.69	18.73
	ICU length of stay/hours
1) Sepsis	131.83	178.33	2.686
2) Heart failure	92.88	120.78
3) COPD	118.10	135.10
	Hospital length of stay/hours
1) Sepsis	39.22	86.833	2.882*	2 > 1; 3 > 1
2) Heart failure	64.51	105.99
3) COPD	61.48	103.75