Table 4.

Pooled 1‐year overall survival rate (1‐yOS rate) and modified 1‐year overall survival rate (1‐yOS rate) in non‐small‐cell lung cancer (NSCLC) patients for included studies

Study		1‐yOS rate (predeleted)		Study		1‐yOS rate (postdeleted)
		Median	95% CI			Median	95% CI
	Total	55%	48–63%		Total	45%	40–50%
2014	Rizvi et al.	75%	51–99%	2015	Borghaei et al.	51%	45–57%
2015	Borghaei et al.	51%	45–57%	2015	Brahmer et al.	42%	34–51%
2015	Brahmer et al.	42%	34–51%	2015	Gettinger et al.	42%	33–50%
2015	Gettinger et al.	42%	33–50%	2015	Rizvi et al.	39%	30–48%
2015	Rizvi et al.	39%	30–48%	2016	Brustugun et al.	50%	37–63%
2016	Brustugun et al.	50%	37–63%	Overall (I 2 = 44.2%, P = 0.128); Egger's test (P = 0.433)
2016	Gettinger et al.	73%	61–85%
2016	Rizvi et al.	71%	61–83%
2016	Nishio et al.	68%	58–78%
2017	Carbone et al.	56%	50–62%
Overall (I 2 = 83.6%, P < 0.001); Egger's test (P = 0.257)