Table 2 Comparison of CSF variable variances between repositioned and non-repositioned samples and medians between serial samples

2.1 Outcome Variance R-samples versus C-samples

Granulocytes, \(10^6\)

 \(\Delta\), Range

− 3505 , 619

− 77 , 757

 \(\Delta\), IQR

[− 4.5 , 50.5]

[− 1 , 2.5]

\(<{\mathbf .001}\)

Fligner Killeen

 Relative \(\Delta\), IQR

[− 31 , 80]

[− 10 , 15]

\(<{\mathbf .001}\)

Fligner Killeen

 Absolute \(\Delta\), IQR

[3 , 95.5]

[0 , 8.5]

\(<{\mathbf .001}\)

Fligner Killeen

Erythrocytes, \(10^6\)

 \(\Delta\), Range

− 271,500 , 331,700

− 47,500 , 121,100

 \(\Delta\), IQR

[− 2450 , 13,150]

[− 400 , 2450]

\(<{\mathbf .001}\)

Fligner Killeen

 Relative \(\Delta\), IQR

[− 23 , 56]

[− 10 , 20]

\(<{\mathbf .001}\)

Fligner Killeen

 Absolute \(\Delta\), IQR

[900 , 20,050]

[250 , 4950]

\(<{\mathbf .001}\)

Fligner Killeen

Albumin, mg/L

 \(\Delta\), Range

− 222 , 603

− 68 , 378

 \(\Delta\), IQR

[− 3 , 72]

[− 1 , 28]

\(<{\mathbf .01}\)

Fligner Killeen

 Relative \(\Delta\), IQR

[− 1.9 , 20]

[− 0.5 , 11]

.02

Fligner Killeen

 Absolute \(\Delta\), IQR

[8 , 90.5]

[3 , 30.5]

\(<{\mathbf .001}\)

Fligner Killeen

Lactate, mmol/L

 \(\Delta\), Range

− 1.1 , 0.8

− 0.3 , 0.4

 \(\Delta\), IQR

[− 0.1 , 0.1]

[0 , 0.05]

\(<{\mathbf .01}\)

Fligner Killeen

 Relative \(\Delta\), IQR

[− 3.2 , 4]

[0 , 1.1]

\(<{\mathbf .01}\)

Fligner Killeen

 Absolute \(\Delta\), IQR

[0.1 , 0.2]

[0 , 0.1]

.1

Fligner Killeen

Glucose, mmol/L

 \(\Delta\), Range

− 0.6 , 0.8

− 1.6 , 0.2

 \(\Delta\), IQR

[− 0.2 , 0.1]

[− 0.1 , 0]

\(<{\mathbf .01}\)

Fligner Killeen

 Relative \(\Delta\), IQR

[− 2.7 , 2.4]

[− 2.1 , 0]

\(<{\mathbf .01}\)

Fligner Killeen

 Absolute \(\Delta\), IQR

[0.1 , 0.2]

[0 , 0.1]

.04

Fligner Killeen

LE Ratio

 \(\Delta\), Range

− 72.1 , 40.1

− 2.1 , 3.9

 \(\Delta\), IQR

[− 0.55 , 0.64]

[− 0.25 , 0.38]

.02

Fligner Killeen

 Relative \(\Delta\), IQR

[− 15 , 35]

[− 19 , 17]

.06

Fligner Killeen

 Absolute \(\Delta\), IQR

[0.15 , 2]

[0.066 , 1.3]

\(<{\mathbf .01}\)

Fligner Killeen

2.2 Outcome Median Sample 1 versus Sample 2

Granulocytes, \(10^6\)

40

54

.33

13

14

.81

Clustered Signed rank

Erythrocytes, \(10^6\)

22,100

22,300

.25

7700

6700

.37

Clustered Signed rank

Albumin, mg/L

318

333

\(<{\mathbf .001}\)

235

251

.02

Clustered Signed rank

Lactate, mmol/L

3.2

3.3

.56

3.1

3.1

.53

Clustered Signed rank

Glucose, mmol/L

4.5

4.5

.19

4.5

4.5

.35

Clustered Signed rank

LE ratio

2.16

2.24

.25

2.51

2.31

.76

Clustered Signed rank