Table 2. Relationship between cytoplasmic ING5 expression and clinicopathological parameters of lung cancers.

Clinicopathological features	n	Cytoplasmic ING5 expression
		−	+	++	+++	PR (%)	P value
Sex							0.253
Female	214	40	60	85	29	81.3
Male	440	61	128	188	63	86.1
Age(years)							0.025
< 65	363	43	109	153	58	88.1
≥ 65	291	58	79	120	34	80.0
Tumor size(cm)							0.104
< 3	211	47	56	79	29	77.7
≥ 3	408	53	125	182	48	87.0
Histological classification							< 0.001
Squamous cell carcinoma	288	22	95	122	49	92.4
Adenocarcinoma	317	55	82	142	38	82.6
Large cell carcinoma	28	12	7	7	2	57.1
Small cell carcinoma	21	12	4	2	3	42.8
Lymphatic invasion							0.044
−	488	65	143	207	73	86.7
+	159	34	43	65	17	78.6
Venous invasion							0.149
−	114	68	9	24	13	40.4
+	18	7	2	7	2	61.1
Lymph node metastasis							0.046
−	395	76	107	160	52	84.9
+	250	25	78	109	38	90.0
UICC staging							0.109
I–II	506	69	146	223	68	88.9
III–IV	144	31	42	49	22	78.4
ki-67 expression							0.370
−	60	37	5	14	4	38.3
+ ~ +++	70	38	6	16	10	45.7
CPP32 expression							0.005
−	30	24	2	3	1	80.0
+ ~ +++	101	51	9	28	13	49.5
p53 expression							0.134
−	72	44	7	16	5	38.9
+ ~ +++	60	31	4	15	10	48.3

Abbreviations, PR, positive rate; UICC, Union Internationale Contre le Cancer.