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. 2018 Feb 7;13(2):109–117. doi: 10.5114/pg.2018.73348

Table III.

Calculation of the cut-off levels of the statistically significant continuous parameters in Table II using the ROC curve analysis

Parameter Outcome AUC ± SE Odds ratio (95% CI) P-valuea
Surviving Deceased
Age ≤ 63 44 (57.9)** 4 (16) 0.759 ±0.055 7.7 (2.1–28.8) < 0.001
> 63 32 (42.1) 21 (84)*
Hb > 12.8 30 (40.5)** 1 (4.5) 0.721 ±0.057 13.9 (1.7–109.6) < 0.001
≤ 12.8 44 (59.5) 21 (95.5)*
N(+) ≤ 3 68 (93.2)** 15 (65.2) 0.656 ±0.069 7.1 (1.9–25.8) 0.025
> 3 5 (6.8) 8 (34.8)*
N(+)/total N ≤ 0.0435 53 (72.6)** 9 (39.1) 0.655 ±0.069 3.8 (1.4–10.7) 0.024
> 0.0435 20 (27.4) 14 (60.9)*
Thrombocytes (× 103) ≤ 308 44 (59.5)** 7 (31.8) 0.637 ±0.072 3.1 (1.1–8.6) 0.059
> 308 30 (40.5) 15 (68.2)*

ROC (receiver operating curve) analysis (Youden index J), AUC – area under the ROC curve, SE – standard error, CI – confidence interval.

*

Sensitivity

**

specificity

a

p-value for cut off value.