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Table 2 Parameters in prediction of six months unfavorable outcome (GOS 1–3)

From: Diagnostic and prognostic value of the optic nerve sheath diameter with respect to the intracranial pressure and neurological outcome of patients following hemicraniectomy

 

Cutoff

AUC

95% CI

Sens/Spec(%)

PPV/NPV(%)

p-value

Unfavorable outcome (GOS 1–3)

 Ipsilateral ONSD (mm)

6.2

0.642

0.457–0.801

45/84.6

81.8/50

0.15

6.5

15/100

100/43.3

 Contralateral ONSD (mm)

5.5

0.717

0.534–0.860

70/69.2

73.7/57.1

0.02

6.6

20/100

100/44.8

 ICP (mmHg)

17

0.638

0.453–0.798

70/53.9

70/53.8

0.17

33

10/100

100/41.9

 Helsinki CT score

5

0.831

0.660–0.938

85/69.2

81/75

< 0.001

7

45/100

100/54.2

  1. ONSD optic nerve sheath diameter, ICP intracranial pressure, GOS glasgow outcome score, AUC area under curve, 95% CI 95% confidence intervals, Sens sensitivity, Spec specificity, PPV positive prediction value, NPV negative prediction value