2.

病例组与对照组中一级亲属父亲、母亲及兄弟姐妹患肺癌的百分比

Depiction of the profile of family history in first-degree relatives by father mother and siblings according to different authors

Authors\Relatives	Father case	Father control	Mother case	Mother control	Siblings case	Siblings control
N.R.: not report.
Tokuhata[2]	1.9%, 5/270	0.4%, 1/270	1.9%, 5/270	0.7%, 2/270	2.2%, 25/1 152	0.7%, 7/1 002
Gao[4]	10.5%, 139/1 826	5.7%, 108/1 890	1.6%, 30/1 847	0.9%, 19/2 063	20.5%, 294/1 436	12.9%, 213/1 643
Rachtan[5]	8.9%, 95/1 058	5.2%, 110/2 116	2.2%, 23/1 058	1.1%, 23/2 116	6.3%, 67/1 058	3.1%, 66/2 116
Jin[10]	5.8%, 43/740	2.7%, 20/740	6.8%, 50/740	2.0%, 15/740	N.R.	N.R.
Matakidou[11]	8.7%, 120/1 382	5.5%, 57/1 030	3.3%, 43/1 305	2.0%, 20/993	6.6%, 89/1 351	3.8%, 38/1 011
Cote[9]	9.4%, 48/501	5.1%, 31/611	6.3%, 38/601	3.2%, 22/683	1.1%, 23/2 007	0.2%, 4/2 204
Wu[12]	6.5%, 7/108	2.8%, 3/108	12.9%, 14/108	1.9%, 2/108	4.6%, 5/108	1.9%, 2/108
Wunsch-Filho[14]	1.2%, 4/334	1.2%, 7/578	0.9%, 3/334	0.9%, 5/578	2.1%, 7/334	1.2%, 7/578
Bromen[15]	4.8%, 45/945	2.5%, 25/983	0.9%, 9/945	1.0%, 10/983	2.9%, 27/945	1.1%, 11/983
Mayne[16]	3.7%, 16/437	2.1%, 9/437	0.5%, 2/437	0.7%, 3/437	7.1%, 31/437	3.2%, 14/437
Kreuzer[17]	4.8%, 106/2 226	3.3%, 76/2 302	0.7%, 16/2 226	0.7%, 17/2 302	2.1%, 46/2 226	0.9%, 22/2 302
Wu[21]	3.4%, 16/464	2.4%, 30/1 252	1.9%, 9/464	0.5%, 6/1252	N.R.	N.R.
Schwartz[19]	N.R.	N.R.	N.R.	N.R.	6.2%, 16/257	6.9%, 19/277
Shaw[24]	4.3%, 41/943	3.1%, 30/955	1.6%, 15/943	0.7%, 7/955	N.R.	N.R.