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Table 3 Summary statistics of ratios

From: Physiological stress level and screening for malnutrition as preoperative predictors of postoperative complications in pancreatic surgery: a retrospective study

Ratio

Median

25%, percentile

75% percentile

Mean

SD

Cut point

The severity of the violations

Population (n = 225) with given cut point, no. (%)

NLR

2.0

1.0

5.0

2.35

1.36

 ≤ 5

Norm

76 (33.8)

6.0

7.0

8.0

11.61

1.61

6–8

Mild

123 (54.7)

12.0

10.0

15.0

6.67

0.7

9–18

Moderate

26 (11.5)

 − 

 − 

 − 

 − 

 − 

 > 18

Severe

 − 

NRI

102

100.7

106.4

102.5

2.3

 > 100.0

Norm

32 (14.2)

97.6

96.8

99.2

97.7

0.73

97.6–100.0

Mild

70 (31.1)

88.7

83.8

95.4

89.41

3.99

83.5–97.5

Moderate

94 (41.8)

72.8

66.4

83.1

74.59

5.02

 < 83.5

Severe

29 (12.9)

  1. Abbreviations: NLR Neutrophil to lymphocyte ratio, NRI Nutritional risk index