The prognostic value of dynamic changes in SII for the patients with STEMI undergoing PPCI

Table 7 Receiver-operating characteristic (ROC) curve analyses of five groups of SII, hs-CRP_max, cTnI_max, CK-MB_max for predicting in-hospital outcomes in STEMI patients

	Cut-off	Sensitivity	Specificity	AUC	95%CI	P value
SII before(T0)	1264.15	0.641	0.667	0.667	0.575–0.758	0.001^*
SII12h after(T1)	1915.77	0.897	0.814	0.896	0.852–0.941	<0.001^*
SII24h after	1282.53	0.615	0.765	0.712	0.620–0.804	<0.001^*
SII48h after	956.76	0.641	0.758	0.728	0.644–0.812	<0.001^*
T2	779.79	0.821	0.653	0.770	0.697–0.843	<0.001^*
hs-CRP_max	9.050	0.872	0.358	0.656	0.566–0.746	0.002^*
cTnI_max	4.887	0.641	0.635	0.628	0.529–0.726	0.010^*
CK-MB_max	276.11	0.487	0.758	0.586	0.488–0.685	0.080

^*is significant. (AUC, area under the curve; ROC, receiver operating characteristic; SII, systemic immune-inflammation)

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