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Table 3 Joint effects for chronic fatigue syndrome in burn injury and chronic fatigue syndrome-associated risk factors

From: Increased risk of chronic fatigue syndrome following burn injuries

Variable N No. of events Rate# Adjusted HR 95% CI
None 48,381 205 0.67 1 (Reference)
Only burn 10,417 58 0.87 1.34 (1.25, 1.44)***
Only diabetes 1919 11 1.07 0.99 (0.86, 1.14)
Only obesity 426 1 0.56 0.83 (0.53, 1.32)
Only renal disease 1291 6 0.74 0.76 (0.63, 1.00)
Only rheumatoid arthritis 49 0 0.00
Only HIV 23 0 0.00
Only malignancy 605 0 0.00
Only depression 155 1 1.29 1.80 (1.14, 2.85)*
Only anxiety 2428 15 1.03 1.16 (1.02, 1.31)*
Only sleep disorder 4102 34 1.73 2.07 (1.90, 2.25)***
Only irritable bowel syndrome 841 4 0.85 1.01 (0.80,1.27)
Burn with any one comorbidity 3383 36 1.96 2.28 (2.09, 2.49)***
Burn with any two comorbidity 3404 46 2.82 2.93 (2.70, 3.18)***
  1. Rate#, per 1000 person-year
  2. Adjusted HR: multivariable analysis including age, and sex
  3. * P < .05
  4. ** P < .01
  5. *** P < .001