Table 5 The 19 features included in the minimal-feature model by Kamath et al.
From: Accuracy of machine learning to predict the outcomes of shoulder arthroplasty: a systematic review
Features | Description |
|---|---|
Age | Age in years |
Weight | Weight in lbs |
Height | Height in inches |
Sex | Male or female |
Prior shoulder surgery | Has the patient previously had a surgical operation on the shoulder? |
Dominant-sided surgery | Will the upcoming arthroplasty be on the patient’s dominant shoulder? |
Primary diagnosis | What is the patient’s primary diagnosis? |
Comorbidities | What are the patients’ comorbidities? |
Preop active abduction | Active arm elevation in frontal plane |
Preop active FE | Active arm elevation in sagittal plane, |
Preop active ER | Active lateral rotation of arm, with arm at side |
Preop passive ER | Passive lateral rotation of arm, with arm at side |
Preop IR score | Active medial rotation of arm, with arm at side; unitless: 8-point numeric scale with the following discreet assignments based on motion to vertebral segments: 0, no motion; 1, hip; 2, buttocks; 3, sacrum; 4, L5 to L4; 5, L3 to L1; 6, T12 to T8; and 7, T7 or higher |
Preop Global function score | Patient assessment of ability to use shoulder prior to surgery via Global Shoulder Function score; 11-point score (0–10), with 10 indicating full or normal mobility |
Preop VAS | Patient assessment of pain experienced on daily basis prior to surgery via VAS pain score; 11-point score (0–10), with 10 indicating extreme pain |
Preop pain at worst | Patient assessment of worst pain experienced on daily basis prior to surgery; 11-point score (0–10), with 10 indicating extreme pain |
Preop pain lying on the side | Patient assessment of pain experienced when lying on affected side prior to surgery; 11-point score (0–10), with 10 indicating extreme pain |
Preoperative pain when touching back of neck | Patient assessment of pain experienced when touching back of neck prior to surgery; 11-point score (0–10), with 10 indicating extreme pain |
Preoperative pain when pushing with affected arm | Patient assessment of pain experienced when pushing with affected arm prior to surgery; 11-point score (0–10), with 10 indicating extreme pain |