Turk et al reported a Comorbidity Risk Score (CRS) for preoperative assessment of a surgical patients. It can help to predict 30-day morbidity following total shoulder arthroplasty. The authors are from New England Baptist Hospital.
Parameters:
(1) end-stage renal disease
(2) COPD
(3) hypertension treated with medications
(4) disseminated cancer
(5) functional status
(6) bleeding disorder
Parameter
Finding
Points
end-stage renal disease
no
0
yes
3
COPD
no
0
yes
1
hypertension
no
0
yes
1
disseminated cancer
no
0
yes
3
functional status
independent
0
not independent
3
bleeding disorder
no
0
yes
2
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 13
• The higher the score the greater the risk of complications.
• For scores >= 4 the risk of postoperative complications was over 50%.
Score
Complication Rate
0
12.3%
1
19.2%
2
29.6%
3
33.1%
4
51.9%
5
57.3%
6
47.6
7
77.8%
8
9
100%
Performance:
• The area under the ROC curve was 0.6, which is mediocre.
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