Expression of human Piwi-likegenes is associated with prognosis for soft tissue sarcoma patients

BMC Cancer

Table 1 The histopathologic, clinical and Piwi-like mRNA expression data of STS patients

Patients’ characteristics	No. of cases	Piwi-like 2		Piwi-like 3		Piwi-like 4
		low	high	low	high	low	high
Total	125	62	63	62	63	62	63
Sex
Male	57	29	28	26	31	27	30
Female	68	33	35	36	32	35	33
Histological subtype
LS	28	10	18	14	14	11	17
MFH	31	12	19	17	14	19	12
FS	7	4	3	5	2	3	4
RMS	8	5	3	2	6	5	3
LMS	21	14	7	9	12	9	12
NS	12	6	6	4	8	6	6
Syn	10	5	5	7	3	5	5
Other	8	6	2	4	4	4	4
Tumor size¹
T1	29	17	12	10	19	18	11
T2	96	45	51	29	67	44	52
Tumor grade
I	19	7	12	7	12	5	14
II	58	30	28	29	29	31	27
III	48	25	23	26	22	26	22
Tumor stage
I	16	6	10	7	9	5	11
II	57	28	29	29	28	29	28
III	40	21	19	21	19	22	18
IV	12	7	5	5	7	6	6
Complete resection
Radical (R0)	87	44	43	44	43	42	45
Not radical (R1)	38	18	20	18	20	20	18
Location
Extremities	80	36	44	41	39	41	39
Trunk wall	12	9	3	8	4	6	6
Head/neck	4	2	2	1	3	4	0
Abdomen/retroperitoneum	27	14	13	12	15	11	16
Multiple locations	2	1	1	0	2	0	2
Patient status
Alive	64	26	38	31	33	30	34
Dead	61	36	25	31	30	32	29

Abbreviations: No-number of cases, LS-liposarcoma, MFH-malignant fibrous histiocytoma, FS-fibrosarcoma, RMS-rhabdomyosarcoma, LMS-leiomyosarcoma, NS-neuronal sarcoma, Syn-synovial sarcoma.
¹T1 ≤ 5 cm, T2 > 5 cm.

ISSN: 1471-2407