Table XI.

Deficits included in the Comprehensive Rheumatologic Assessment of Frailty (CRAF) index*

Concept/variable	Description	CRAF Value
1. Nutritional status	Normal/overweight: BMI 25-30 Kg/m2 Obese: BMI > 30 Kg/m2 Underweight: BMI < 18,5 Kg/m2	0.00 0.50 1.00
2. Weakness	Handgrip strength (in Kg) in men <27 T-score -2.5 or below ≤32 T-score -2 or below >32 Normal Grip Handgrip strength (in Kg) in women <16 T-score -2.5 or below ≤19 T-score -2 or below >19 Normal Grip	1.00 0.50 0.00 1.00 0.50 0.00
3. Falls	Falls less than twice in the last 12 months Falls between two and five times in the last 12 months Falls more than five times in the last 12 months	0.00 0.50 1.00
4. Comorbidity	RDCI score 0 – 1 RDCI score 2 – 3 RDCI score 4 – 5 RDCI score 6 – 7 RDCI score > 7	0.00 0.25 0.50 0.75 1.00
5. Polypharmacy	Patient uses less than two different medications Patient uses between three and four different medications Patient uses 5 or more different medications	0.00 0.50 1.00
6. Social activity	Not at all/slightly Moderately Quite a bit/extremely	0.00 0.50 1.00
7. Pain	Extreme pain Very severe pain Severe pain Moderate pain Mild pain No pain	1.00 0.80 0.60 0.40 0.20 0.00
8. Fatigue	Extreme fatigue Very severe fatigue Severe fatigue Moderate fatigue Mild fatigue No fatigue	1.00 0.80 0.60 0.40 0.20 0.00
9. Physical function	Extreme limitation Very severe limitation Severe limitation Moderate limitation Mild limitation No limitation	1.00 0.80 0.60 0.40 0.20 0.00
10. Depression	Extreme depression Very severe depression Severe depression Moderate depression Mild depression No depression	1.00 0.80 0.60 0.40 0.20 0.00

Abbreviations: RDCI= Rheumatic Disease Comorbidity Index; BMI=Body Mass Index

*CRAF score of 0 to 0.12=non frailty, >0.12 to ≤0.24=mild frailty, >0.24 to ≤0.36=moderate frailty, >0.36=severe frailty.