Table 1. Demographic characteristics of patients with OncoScan analysis results.

Characteristics	Control group (N=485) (No., %)	Chemotherapy group (N=491) (No., %)	Total (N=976) (No., %)
Trial
CALGB	66 [14]	58 [12]	124 [13]
IALT	258 [53]	266 [54]	524 [54]
JBR 10	161 [33]	167 [34]	328 [34]
Age
≤55	137 [28]	137 [28]	274 [28]
55–64	202 [42]	205 [42]	407 [42]
≥65	146 [30]	149 [30]	295 [30]
Sex
Female	139 [29]	127 [26]	266 [27]
Male	346 [71]	364 [74]	710 [73]
PS
0	248 [51]	252 [51]	500 [51]
1–2	235 [49]	238 [49]	473 [49]
Histology
Adenocarcinoma	207 [43]	207 [42]	414 [42]
Squamous cell carcinoma	218 [45]	212 [43]	430 [44]
Other	60 [12]	72 [15]	132 [14]
T
T1	57 [12]	64 [13]	121 [12]
T2	372 [77]	365 [75]	737 [76]
T3/T4	54 [11]	60 [12]	114 [12]
N
N0	250 [52]	251 [51]	501 [52]
N1	167 [35]	175 [36]	342 [35]
N2	66 [14]	63 [13]	129 [13]
Surgery
Lobectomy/other	344 [71]	333 [68]	677 [69]
Pneumonectomy	141 [29]	157 [32]	298 [31]