The Bath Ankylosing Spondylitis Global Score (BAS-G)
| |
|
TOTAL
/ 10 |
|
How
have you been over the last week?
VERY GOOD  VERY BAD |
|
|
How
have you been over the last six months?
VERY GOOD VERY BAD |
| |
TOTAL
OUT OF 20 |
|
TOTAL
/ 2 (BAS-G
SCORE) |
|
BASFI Score Calculation
Score from all questions are calculated using a ruler and added. This
figure is divided by 10to obtain an average. This is the BASFI score.
The higher the BASFI score, the more severe the patient’s limitation
of function due to their AS.
BASDAI Score Calculation
Score from all questions are calculated using a ruler. The mean measurement
(score) of questions 5 and 6 is added to the scores from questions
1 to 4. This total is then divided by 5 to give the average. This
is the BASDAI score. The higher the BASDAI score, the more severe
the patients disability due to their AS.
BAS-G Score
Scores from the 2 questions are calculated using a ruler and added.
This figure is divided by 2 to obtain an average, this is the BAS-G
score. The higher the BAS-G score, the more severe the effect of AS
on the patient’s life.
Please Note:
When using visual analog scales of a set length (10cm in the case
of the Bath Indices), great care must be taken in reproducing assessment
paperwork as repeated photocopying, for example, may distort the length
of the lines and therefore will affect the accuracy of the scoring.
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