Study on the cost attributable to central venous catheter-related bloodstream infection and its influencing factors in a tertiary hospital in China

Table 4 The contributions of factors of the model R-square

	Demographic characteristics	Diagnosis and treatment		Pathogenic microorganism
Statistic
	Age
		Catheter number
			ICU
				Pathogenic microorganism
F	3.81	7.6^**	11.92^**	8.64^**
R²	0.0339	0.1417	0.2905	0.3231
ΔR²	0.0339	0.1078	0.1488	0.0326

ISSN: 1477-7525