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Table 5 Combined Risk Prediction Score

From: Risk factors for persistent abnormality on chest radiographs at 12-weeks post hospitalisation with PCR confirmed COVID-19

Variable Descriptor Point score
Length of stay  ≥ 15 days 1
LDH  ≥ 750 U/L 1
Level 2 or 3 care admission Yes 1
Current or ex-smoker Yes 1
Obesity (BMI > 30 kg/m2) Yes 1
  Total score 5
  1. 0–5 point scale with 1 point each for length of stay ≥ 15 days, LDH ≥ 750 U/L, positive current or ex-smoking status, admission to a level 2 (high dependency) or 3 (intensive care) facility and, positive past medical history of obesity [Body mass index (BMI) > 30 kg/m2]