The Egyptian Heart Journal

Table 3 Predictive accuracy measures at cut point = 11,126 estimated using IPCW

From: Optimal cut points of N-terminal of the prohormone brain natriuretic peptide (NT-proBNP) in patients with COVID-19

	Day 4	Day 8	Day 9	Day 11
Survivor	239	183	136	83
Death	6	16	20	49
Censored	23	69	112	136
SN	16.56 (SE = 15.17)	24.97 (SE = 10.85)	24.98 (SE = 9.73)	27.40 (SE = 6.55)
SP	83.68 (SE = 2.39)	83.61 (SE = 2.74)	82.35 (SE = 3.28)	83.13 (SE = 4.12)
PPV	2.30 (2.28)	9.57 (SE = 4.61)	12.01 (SE = 5.20)	35.84 (SE = 8.89)
NPV	97.74 (SE = 1.00)	94.13 (SE = 1.65)	91.92 (SE = 2.02)	76.90 (SE = 3.55)

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