Research Article

Efficacy of Definitive Radiotherapy for Patients with Clinical Stage IIIB or IIIC Lung Adenocarcinoma and Epidermal Growth Factor Receptor (EGFR) Mutations Treated Using First- or Second-Generation EGFR Tyrosine Kinase Inhibitors

Table 3

Characteristics of patients included in the second supplementary analysis.

RT group (n = 35)Non-RT group (n = 229)Standardized difference
Number or mean (SD)(%)Number or mean (SD)(%)Before PSWAfter PSW

Age (years)62.97 (8.58)64.60 (8.30)0.193≈0

SexFemale20(57)158(69)0.247≈0
Male15(43)71(31)

ResidencyNon-northern18(51)160(70)0.384≈0
Northern17(49)69(30)

Comorbidity<132(91)204(89)0.079≈0
≥13(9)25(11)

BMI (kg/m2)25.23 (5.33)24.01 (3.71)0.266≈0

Social-economic statusMinimum wage or lower6(17)70(31)0.319≈0
Higher29(83)159(69)

SmokingNo25(71)178(78)0.145≈0
Yes10(29)51(22)

Clinical T-stageT1–T214(40)95(41)0.030≈0
T3–T421(60)134(59)

Clinical N-stageN0–N29(26)49(21)0.030≈0
N326(74)180(79)

Tumor size (mm)45.46 (19.12)42.97 (20.74)0.125≈0

ECOG PS0-131(89)212(93)0.137≈0
24(11)17(7)

BMI, body mass index; ECOG PS, eastern cooperative oncology group performance status; PS, propensity score; RT, radiotherapy; SD, standard deviation. Rounded.