Prediction of long-term hospitalisation and all-cause mortality in patients with chronic heart failure on Dutch claims data: a machine learning approach

van der Galiën, Onno P.; Hoekstra, René C.; Gürgöze, Muhammed T.; Manintveld, Olivier C.; van den Bunt, Mark R.; Veenman, Cor J.; Boersma, Eric

doi:10.1186/s12911-021-01657-w

BMC Medical Informatics and Decision Making

Table 7 Variable importance 1 year all-cause mortality

From: Prediction of long-term hospitalisation and all-cause mortality in patients with chronic heart failure on Dutch claims data: a machine learning approach

Feature	Description feature	N	Univariate	Random forest	Elastic net	Logistic regression
Feature	Description feature	N	OR*	(MSE^†)	(coefficients)	(predictor)
oms_burg_staat2	Marital status	25,776	0.7	0.00236	0.84190
geslacht	Sexe	25,776	1.3	0.00075
ATC_2014_B03XA02	Darbepoetine alfa	356	4.9	0.00040
age	Age	25,776	1.1	0.00036
DRG_2014_C30_C39	Malignant neoplasm intrathoracic	552	3.5	0.00035
zrg_2014_500112003	Visit GP > 20 min	5932	1.2	0.00031
zrg_2014_I001196001	Ambulance	5909	1.4	0.00031
dbc_2014_099899068	> 5 nursing days acuut CHF	753	4.1	0.00028
zrg_2014_701013035	Visit GP > 20 min	274	1.4	0.00027
ATC_2014_H02AB06	Prednisolon	4712	2.3	0.00027
dbc_2014_090301002	Outpatient clinical visit high bloodpressure	270	0.1		0.85177	−1.39220
dbc_2014_099899068	> 5 nursing days acuut CHF	753	4.1		0.74860	1.20540
DRG_2014_C30_C39	Malignant neoplasm intrathoracic	552	3.5		0.92866	0.86620
DRG_2014_R52_1	Pain	359	0.9		0.78378	−0.84680
DRG_2014_C00_C98	Malignant neoplasms—other	584	2.6		0.66214	0.81190
DRG_2014_AULG_01	Audiology	250	0.5		0.75475
dbc_2012_090301002	Outpatient clinical visit high bloodpressure	567	0.5		0.68019
zrg_2014_6409120361	Toilet riser device	358	2.4		0.59082
zrg_2014_6404330361	Seat cushion foam/static seat cushion	315	5.2		0.58836
dbc_2012_039999015	Outpatient clinic visit blood disease	313	1.8			1.04530
dbc_2012_100501046	Outpatient clinic visit asthma	471	0.7			−0.95950
dbc_2012_099599003	< 6 Nursing days acuut heart disease	277	1.7			0.82520
zrg_2014_OX02089402	Examination with X-ray of the knee and / or lower leg. Radiological examination	577	0.6			−0.77200
DRG_2012_C81_C96	Malignant neoplasm lymphoid and blood-forming tissue	690	1.9			0.74920

*Odds ratio, ^†mean square error

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ISSN: 1472-6947

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