Table 1.

The characteristics of adenosquamous carcinoma patients.

Total		LN indicator
		pN0 #LNs >9	pN0 #LNs ≤9	pN+ #LNR ≤0.53	pN+ #LNR >0.53
		N = 360	N = 594	N = 396	N = 66
Sex	Male	197 (25.9%)	311 (40.8%)	214 (28.1%)	40 (5.2%)
	Female	163 (24.9%)	283 (43.3%)	182 (27.8%)	26 (4.0%)
Age	<65	94 (21.6%)	185 (42.4%)	135 (31.0%)	22 (5.0%)
	>64	266 (27.1%)	409 (41.7%)	261 (26.6%)	44 (4.5%)
Race	Caucasians	316 (26.2%)	510 (42.2%)	329 (27.2%)	53 (4.4%)
	Other	44 (21.2%)	84 (40.4%)	67 (32.2%)	13 (6.3%)
Surgery	Lobectomy	335 (25.6%)	584 (44.5%)	335 (25.6%)	57 (4.3%)
	Pneumonectomy	25 (23.8%)	10 (9.5%)	61 (58.1%)	9 (8.6%)
Radiotherapy	None	342 (28.0%)	548 (44.8%)	293 (24.0%)	39 (3.2%)
	Yes	17 (9.1%)	45 (24.2%)	98 (52.7%)	26 (14.0%)
	Unknown	1 (12.5%)	1 (12.5%)	5 (62.5%)	1 (12.5%)
Chemotherapy	None	300 (30.3%)	499 (50.4%)	162 (16.4%)	29 (2.9%)
	Yes	60 (14.1%)	95 (22.3%)	234 (54.9%)	37 (8.7%)
Marital status	None	125 (23.7%)	234 (44.4%)	146 (27.7%)	22 (4.2%)
	Yes	226 (26.7%)	348 (41.0%)	234 (27.6%)	40 (4.7%)
	Unknown	9 (22.0%)	12 (29.3%)	16 (39.0%)	4 (9.8%)
Grade	I-II	142 (27.2%)	245 (46.9%)	113 (21.6%)	22 (4.2%)
	III-IV	193 (24.3%)	306 (38.5%)	260 (32.7%)	36 (4.5%)
	Unknown	25 (25.3%)	43 (43.4%)	23 (23.2%)	8 (8.1%)
pT classification	T1	150 (29.6%)	251 (49.6%)	92 (18.2%)	13 (2.6%)
	T2a	103 (24.8%)	177 (42.5%)	117 (28.1%)	19 (4.6%)
	T2b	42 (25.0%)	59 (35.1%)	58 (34.5%)	9 (5.4%)
	T3	35 (22.4%)	49 (31.4%)	60 (38.5%)	12 (7.7%)
	T4	30 (17.6%)	58 (34.1%)	69 (40.6%)	13 (7.6%)
pN classification	N0	360 (37.7%)	594 (62.3%)	0 (0.0%)	0 (0.0%)
	N1	0 (0.0%)	0 (0.0%)	224 (88.2%)	30 (11.8%)
	N2	0 (0.0%)	0 (0.0%)	172 (82.7%)	36 (17.3%)

LN, lymph node; LNR, lymph node ratio; pT, pathological T; pN, pathological N.