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. 2017 Jul 14;12(7):e0181173. doi: 10.1371/journal.pone.0181173

Table 2. Summary of extracted feature categories, and two sample features per category.

Category Count Sample features
Encounter Reason 604 abscess, kidney_stone
Hospital Problems 287 hcup_category_cystic_fibro, hospital_problems_count
Procedures 232 px_blood_transf, px_c_section
Medications 202 inp_num_unique _meds, outp_med_antidotes
Provider 119 specialty_orthopedic_surgery, specialty_hospitalist_medical
Discharge 46 length_of_stay, disch_location_home_no_service
Socioeconomic 44 pct_married, median_household_income
Admission 39 admission_source_transfer, admission_type_elective
Lab Results 26 num_abnormal_results, tabak_very_low_albumin
Comorbidities 19 charlson_index, comor_chf
Basic Demographics 16 age, if_female
Health History 11 alcohol_no, tobacco_quit
Utilization 10 pre_12_month_inpatient, pre_6_month_inpatient
Vitals 8 bmi, pulse
Payer 4 insurance_type_medicare, insurance_type_self-pay