Skip to main content
. 2023 Jul 28;55(2):2238182. doi: 10.1080/07853890.2023.2238182

Table 7.

Features selected commonly and individually by the best three machine learning models.

Feature categories Selected by 3 models Selected by 2 models Selected by 1 model
Demographic   Race EthnicitySexAge
Anthropometric Lean body massConicity index Weight in kgWaist circumference in cmBia resistanceFat free mass Height in cmBMI
Disease-Related Length of dialysis treatmentDialysis accessDiabetes medication, insulinAnti-inflammatory medicationEtiology of CKD (hypertension) Oral diabetes medicationAnti-lipemic medication History of diabetesAnti-hypertensive medicationDialysis treatment timeEtiology of CKD (diabetes)
Clinical/Dynamic Interdialytic weight gainHeart rate (bpm) Weekly mean kt/vBody temperatureWeekly mean npcr Weekly mean urrDystolic blood pressureSystolic blood pressure
Patient-Reported Enjoy mealtimesWeekly appetite evaluationFeel like eatingDaily appetite rating Intake on non-dialysis dayEnjoyment of eating on dialysis day Difficulty following dialysis dietIntake on dialysis dayOverall appetite ratingAppetite on non-dialysis dayLack of appetite
Provider-Assessed SGA physical examinationSGA gastrointestinal examinationSGA functional examination SGA weight change assessmentSGA overall malnutrition rating SGA disease assessment

bpm: beats per minute; BMI: body mass index; CKD: chronic kidney disease; kt/v: fractional urea clearance; npcr: normalized protein catabolic rate; SGA: Subjective Global Assessment; urr: urea reduction rate.