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. 2022 Mar;21(3):376–383.

Table 3.

Association between demographic characteristics and OS

		Univariate analysis			P-value	Multivariate analysis		P-value

		N (%)	OR ^a	CI ^b(95%)		OR	CI (95%)
Gender	Male	8(61.5)	1	0.207–2.387	0.573	1	0.187–8.370	0.817
Gender	Female	5(38.5)	0.714	0.207–2.387	0.573	1.252	0.187–8.370	0.817
Age (years)	>59	5(38.5)	1	0.136–1.964	0.333	1	1.159–2.139	0.050^*
Age (years)	<59.	8(61.5)	0.517	0.136–1.964	0.333	0.159	1.159–2.139	0.050^*
Primary exon mutation	19	6(46.1)	1	0.033–0.820	0.028^*	1	0.004–0.703	0.026^*
Primary exon mutation	21	7(61.7)	0.165	0.033–0.820	0.028^*	0.055	0.004–0.703	0.026^*
Smoking status	Non-smoker	10 (77)	1	0.575–9.435	0.237	1	0.340–79.321	0.237
Smoking status	Smoker	3(23)	2.228	0.575–9.435	0.237	5.189	0.340–79.321	0.237
Recurrence mutation	T790M	11(84.6)	1	0172–11.472	0.450	1	0.025–17.451	0.803
Recurrence mutation	Other mutations	2(15.4)	1.406	0172–11.472	0.450	0.660	0.025–17.451	0.803

^A:

Odds ratio,

^b:

CI: confidence interval.