Evaluation of surgical outcomes and prognostic factors of second primary lung cancer based on a systematic review and meta-analysis

Table 2 Clinicopathologic traits of included articles

Study (year)	Period	Region	Cases			Male/Female	Second Intervention Mean Age(years)	Smoker	NOS Scale
Study (year)	Period	Region	Total	mSPLC	sMPLC	Male/Female	Second Intervention Mean Age(years)	Smoker	NOS Scale
Hamaji et al.(2013) [31]	2000–2009	USA	161	161	NR	88/73	70	138	7
Yang et al.(2014) [30]	2006–2011	China	143	143	NR	106/37	60	69	7
Zhao et al.(2017) [23]	2001–2014	China	115	115	NR	55/60	60	35	6
Sato et al.(2021) [28]	2005–2017	Japan	61	61	NR	39/22	68.9 ± 1.1	39	7
Doddoli et al.(2001) [27]	1985–1999	France	38	38	NR	35/3	63 ± 8	NR	6
Lee et al.(2009) [32]	1995–2008	USA	58	58	NR	23/35	67	NR	6
Zuin et al.(2013) [24]	1995–2010	Itaty	121	98	23	105/16	68 ± 9.9	NR	5
Aziz et al.(2002) [25]	1986–1999	UK	51	41	10	45/6	64 ± 6.9	51	6
Riquet et al.(2008) [26]	1983–2005	France	234	116	118	194/40	63.7 ± 9.1	NR	7
Battafarano et al.(2004) [22]	1988–2002	USA	69	69	NR	36/33	67.5 ± 8.9	NR	5
Rea et al.(2001) [29]	1971–2002	Italy	80	61	19	72/8	63	NR	6

ISSN: 1471-2482