“Reducing unnecessary testing in a CPOE system through implementation of a targeted CDS intervention”

Levick, Donald L; Stern, Glenn; Meyerhoefer, Chad D; Levick, Aaron; Pucklavage, David

doi:10.1186/1472-6947-13-43

BMC Medical Informatics and Decision Making

Table 2 Change in BNP orders associated with one unit change in selected variables from ZTNB regression

From: “Reducing unnecessary testing in a CPOE system through implementation of a targeted CDS intervention”

	(1)	(2)	(3)
40 < Age ≤ 60	0.125**	0.115**	0.114**
40 < Age ≤ 60	(0.055)	(0.055)	(0.056)
60 < Age ≤ 80	0.237***	0.235***	0.247***
60 < Age ≤ 80	(0.052)	(0.052)	(0.053)
Age > 80	0.315***	0.310***	0.326***
Age > 80	(0.055)	(0.055)	(0.057)
Female	−0.005	−0.006	−0.006
Female	(0.011)	(0.011)	(0.012)
Black	−0.010	−0.012	−0.008
Black	(0.040)	(0.040)	(0.041)
Hispanic	−0.104***	−0.085**	−0.010***
Hispanic	(0.035)	(0.037)	(0.036)
Other race	0.192***	0.190***	0.196***
Other race	(0.034)	(0.034)	(0.034)
Elective admission	−0.094***	−0.085***	−0.089***
Elective admission	(0.028)	(0.028)	(0.028)
Urgent admission	−0.005	0.003	0.007
Urgent admission	(0.019)	(0.019)	(0.020)
1^st risk score quartile	−0.481***	−0.499***	−0.506***
1^st risk score quartile	(0.013)	(0.014)	(0.013)
2^nd risk score quartile	−0.322***	−0.337***	−0.338***
2^nd risk score quartile	(0.013)	(0.013)***	(0.013)
3^rd risk score quartile	−0.157***	−0.170***	−0.167***
3^rd risk score quartile	(0.013)	(0.013)	(0.014)
Private insurance	−0.031	−0.031	−0.024
Private insurance	(0.021)	(0.021)	(0.021)
Medicaid	0.088*	0.074	0.088*
Medicaid	(0.050)	(0.048)	(0.050)
Self-pay	0.051	0.051	0.034
Self-pay	(0.084)	(0.086)	(0.085)
Private managed care	0.002	0.002	0.013
Private managed care	(0.041)	(0.041)	(0.043)
Medicare managed care	−0.030**	−0.028*	−0.030**
Medicare managed care	(0.015)	(0.015)	(0.015)
Medicaid managed care	−0.001	−0.008	−0.002
Medicaid managed care	(0.069)	(0.061)	(0.062)
Post intervention period	−0.598***	−0.460***	−0.378***
Post intervention period	(0.028)	(0.030)	(0.056)
Time trend variables
Monthly trend	X	X
Monthly trend squared		X
Month indicators			X

Notes: Standard errors in parenthesis; *** p<0.01, **p<0.05, *p<0.1. Base categories include: age ≤ 40; white; emergency admission; 4^th (highest) risk score quartile; and Medicare.

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ISSN: 1472-6947

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