Liu et al reported the Preoperative Nutritional Status (PNS). This can help to evaluate the nutritional status of an adult. The authors are from State Key Laboratory of Oncology in South China and Sun Yat-sen University Cancer Center.
Parameters:
(1) prognostic nutritional index (PNI) of Onodera et al
(2) serum albumin in g/L
(3) body mass index in kg per square meter
(4) preoperative weight loss as percent of usual body weight, time frame not given
Parameter
Finding
Points
PNI
< 45
1
>= 45
0
serum albumin
< 35 g/L
1
>= 35 g/L
0
BMI
< 18.5
1
>= 18.5
0
weight loss
< 5%
0
>= 5%
1
where:
• The equation for the PNI given in the paper is in error.
• In White et al the time frame for weight loss is 1 month.
number of criteria present =
= SUM(points for all of the parameters)
Interpretation:
• minimum number of criteria met: 0
• maximum number of criteria met: 4
Number of Criteria
PNS Score
>= 3
2
1 or 2
1
0
0
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