Namba et al reported a tool for predicting surgical site infection (SSI) after spinal surgery. This can help to identify a patient who may benefit from more aggressive management. The authors are from Sagamidai Hospital, Machida Keisen Hospital, Kitasato University and St. Luke's International Hospital in Japan.
Patient selection: spinal surgery
Parameters:
(1) blood loss in mL
(2) diabetes mellitus
(3) acuity of the surgery
(4) preoperative serum albumin in g/dL
(5) skin disease
Parameter
Finding
Points
blood loss
<= 400 mL
0
> 400 mL
1
diabetes mellitus
absent
0
present
1
surgical acuity
emergency
2
elective or urgent
0
preoperative serum albumin
>= 3.2 g/dL
0
< 3.2 g/dL
2
skin disease
absent
0
present
3
total score =
= SUM(points for all 5 parameters)
Interpretation:
• minimum score: 0
• maximum score: 9
Total Score
Risk Level
Incidence SSI
0 or 1
low
3%
2
moderate
18%
3 to 9
high
>= 38.5%
Performance:
• The area under the ROC curve is 0.73
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