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

Table 6 Variable importance 3 years HF hospitalisation

Feature	Description feature	N	Univariate	Random forest	Elastic net	Logistic regression
Feature	Description feature	N	OR*	(MSE^†)	(coefficients)	(predictor)
dbc_2014_099899068	> 5 Nursing days acuut CHF	753	3.4	0.00155	0.59463	0.77700
DRG_2014_I00_I02	Acuut HF	1564	3.0	0.00095	0.56953	0.62340
dbc_2014_099899046	< 6 Nursing days CHF	1692	2.0	0.00059
ATC_2012_B01AC04	Buildings built between 1965 and 1974	2740	1.6	0.00054
RRafl_Amiodaron	Number collected medication Amiodaron	1586	1.0	0.00029
DRG_2014_E10_E13	Diabetes	2517	2.0	0.00024
zrg_2014_B291079992	Home visit	3539	1.0	0.00019
zrg_2012_U46012300	Consult GP	5086	1.2	0.00016
zrg_2012_500112002	Visit GP	8540	1.0	0.00015
ATC_2012_C03DA01	Spironolacton	7301	2.0	0.00014
dbc_2012_029899013	Outpatient clinic visit benign growth of the skin	260	0.5		0.53165	− 0.71500
zrg_2014_5603P30	Complete dentures upper and lower jaw Complete dentures upper and lower jaw	504	1.6		0.41897	0.61270
ATC_2014_V03AE02	Sevelameer	304	0.8		0.74320	− 0.58770
DRG_2014_D22_D23	Benign neoplasm skin	362	1.3		0.47009	0.52520
VERHUISD_2015	Movend out in 2015	255	1.3		0.53365
zrg_2012_OX04084602	DBC Radiology	679	0.8		0.45328
ATC3_2014_B05	Blood replacement agents	288	0.9		0.44734
ATC_2014_J02AC01	Fluconazol	251	0.8		0.43146
ATC_2014_R03BA08	Ciclesonide	570	0.8			− 0.60770
dbc_2014_131999210	Outpatient clinic visit gout	260	2.4			0.56250
dbc_2014_099899091	Outpatient clinic visit heart valve abnormality	399	1.5			0.48490
DRG_2012_T80_T88	Osteoarthritis revision prosthesis	304	1.5			0.47710

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