Value of respiratory variation of aortic peak velocity in predicting children receiving mechanical ventilation: a systematic review and meta-analysis

Table 2 Diagnostic performance of pulse pressure variation from included studies

No.	Authors/year	Threshold^a (%)	TP	FP	FN	TN	Sens (%)	Spec (%)	AUROC	Responders (%)
1	Durand 2008	12	15	1	3	7	81.2	85.7	0.85	69.23
2	Choi 2010	20	10	1	1	9	91	90	0.83	52.38
3	Renner 2011	7	13	2	0	12	100	85	0.92	48.15
4	Pereira 2011	10	17	0	0	13	100	100	1.0	56.67
5	Byon 2013	11	13	5	2	13	86.7	72.2	0.804	45.45
6	Lee 2014	14	12	2	1	11	92.0	85.0	0.956	50.00
7	Lee 2015	13.5	9	3	4	13	69.2	78.6	0.77	44.83
8	Krishna 2016	12.2	24	1	0	17	100	94	0.975	57.14
9	Favia 2017	16.5	6	4	1	5	83.0	55.0	0.70	43.75
10	Lee 2017	12	10	2	7	11	58.8	84.6	0.765	56.67
11	Morparia 2018	12.3	10	1	3	8	77	89	0.90	59.09

TP true positive, FP false positive, FN false negative, TN true negative, Sens sensitivity, Spec specificity, AUROC area under the receive operator characteristic curve, Threshold^a threshold used in studies to achieve corresponding sensitivity and specialty, 95%CI 95% confidence interval

ISSN: 1364-8535