MDCalc

Patient Activity Scale (PAS) for RA

Quantifies severity of rheumatoid arthritis (RA) using patient-reported symptoms.

Note: The PAS II is an alternative to the PAS. PAS II uses a slightly different questionnaire with fewer questions than the original PAS, though the overall accuracy of the two is the same.

Health Assessment Questionnaire Disability Index

Dress and groom - is the patient able to:

Self-dress, including shoelaces and buttons
Shampoo hair

Rise - is the patient able to:

Stand up from a straight chair
Get in and out of bed

Eat - is the patient able to:

Cut own meat
Lift a full cup or glass to mouth
Open a new milk carton

Walk - is the patient able to:

Walk outdoors on flat ground
Climb up five steps

Hygiene - is the patient able to:

Wash and dry body
Take a tub bath
Get on and off toilet

Reach - is the patient able to:

Reach and get down a 5-pound object (such as a bag of sugar) from above head
Bend down to pick up clothing from floor

Grip - is the patient able to:

Open car doors
Open previously opened jars
Turn faucets on and off

Other - is the patient able to:

Run errands and shop
Get in and out of car
Do chores such as vacuuming or yard work

Aids or devices used by patient

Devices for dressing
Button hook, zipper pull
Devices for arising
Special or built up chair
Devices for eating
Built up or special utensils
Devices for walking
Cane, walker, crutches, wheelchair
Devices for hygiene activities
Raised toilet seat, bathtub seat, bathtub bar, long-handled appliances in bathroom
Devices for reaching
Long-handled appliances for reach
Devices for gripping
Jar opener (for jars previously opened)

Patient needs help from another person

Dressing and grooming
Arising
Eating
Walking
Hygiene activities
Reaching
Gripping and opening things
Errands and chores

Pain Visual Analog Scale

Ask patient to rate pain on a scale of 0-10, where 10 is the worst pain imaginable

Patient Global Assessment of Disease Activity

Ask patient to rate how well they are doing in the past week considering all the ways their disease affects them on a scale of 0-10, where 10 is the worst

Result:

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Advice
  • Interpret results alongside clinical findings and laboratory data to guide treatment decisions.
  • If scores remain elevated:
    • Reassess the current RA treatment regimen and consider escalation if appropriate.
    • Consider evaluating for noninflammatory causes of symptoms, such as fibromyalgia.
  • Repeat the score regularly to track treatment effectiveness and disease control.