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. 2022 Mar 11;9:816018. doi: 10.3389/fsurg.2022.816018

Table 1.

Patient characteristics.

Characteristic Number (%) p-value
Adjuvant TKI (n = 30) Dose interruption (n = 9) Non-shift interval (n = 21)
Sex
Male 9 (30%) 5 (17%) 4 (13%) 0.082
Female 21 (70%) 4 (13%) 17 (56%) 0.082
Age
Mean ± SD 65.3 ± 11.7 68.8 ± 11.3 63.8 ± 11.8
Median (Min to Max) 65.5 (40 to 83) 68 (48 to 81) 63 (40 to 83)
Smoking
Never 28 (93%) 7 (23%) 21 (70%) 0.083
Former 1 (3%) 1 (3%) 0 (0%) 0.300
Current 1 (3%) 1 (3%) 0 (0%) 0.300
Pathologic stage (AJCC 8th)
Stage II 4 (13%) 1 (3%) 3 (10%) >0.999
Stage IIA 1 (3%) 1 (3%) 0 (0%) 0.300
Stage IIB 3 (10%) 0 (%) 3 (10%) 0.535
Stage III 26 (86%) 8 (27%) 18 (60%) >0.999
Stage IIIA 19 (63%) 5 (16%) 14 (46%) 0.687
Stage IIIB 7 (23%) 3 (10%) 4 (13%) 0.640
EGFR TKI Medication
Gefitinib 25 (83%) 4 (13%) 12 (40%) 0.694
Erlotinib 3 (10%) 1 (3%) 2 (7%) >0.999
Afatinib 2 (%) 0 (%) 2 (7%) >0.999
Medication shift 9 (30%) 4 (13%) 5 (17%) 0.389
Mutation Type
Exon 21 L858R 14 (46%) 6 (20%) 8 (27%) 0.109
Exon 19 11 (37%) 2 (6%) 9 (30%) 0.262
Exon 18 1 (3%) 0 (%) 1 (3%) >0.999
Rare mutation 4 (12%) 1 (%) 3 (10%) >0.999
Disease Progression Site
Brain 5 (17%) 4 (10%) 1 (13%) 0.19
Lymph node progression 1 (3%) 0 (0%) 1 (3%) >0.999
Pleural seeding 1 (3%) 0 (0%) 1 (3%) >0.999
Lung to lung metastasis 1 (3%) 1 (3%) 0 (0%) >0.999
Duration of treatment (months)
Mean ± SD 52.7 ± 32.0
Median (Min to Max) 44.5 (6~133)