The value of ROX index in predicting the outcome of high flow nasal cannula: a systematic review and meta-analysis

Table 2 The detailed characteristics of the included studies

Study	TP	FP	TN	FN	Cut-off	Sen	Spe
Virginie Lemiale 2021	60	58	129	55	4.88	0.52	0.69
Oriol Roca 2016	31	31	82	13	4.88	0.70	0.73
Oriol Roca 2019	57	61	62	11	4.88	0.84	0.50
Ken Junyang Goh 2020	26	14	40	19	5.8	0.58	0.74
Abhimanyu Chandel 2020	53	26	138	55	3.66	0.49	0.84
Ming Hu 2020	34	25	40	6	5.55	0.85	0.62
Maeva Rodriguez 2019	11	27	141	11	9.2	0.50	0.84
Gregory L Calligaro 2020	106	32	105	50	2.7	0.68	0.77
Jiqian Xu 2020	114	60	117	33	5.31	0.78	0.66

TP true positive; FP false positive; TN true negative; FN false negative; Sen sensitivity; Spe specificity

ISSN: 1465-993X