Table 1.

Patient demographics and clinical characteristics

Variables		Number (n)	Percentage (%)
Age (years)	average	52
	range	25–80
Age groups (years)	25–34	25	3.4
	35–44	139	18.8
	45–54	266	36.0
	55–64	198	26.8
	≥ 65	111	15.0
FIGO stage	IA1	5	0.7
	IA2	11	1.5
	IB1	104	14.1
	IB2	91	12.3
	IIA	55	7.4
	IIB	357	48.3
	IIIA	31	4.2
	IIIB	33	4.5
	IVA	43	5.8
	IVB	9	1.2
Tumour histology	squamous cell carcinoma	649	87.8
	adenocarcinoma	68	9.2
	adenosquamous carcinoma	11	1.5
	other	11	1.5
PLN	negative	577	78.1
	positive	120	16.2
	unknown	42	5.7
Para-aortic nodal metastasis	negative	673	91.1
	positive	19	2.5
	unknown	47	6.4
PI	negative	273	36.9
	positive	463	62.7
	unknown	3	0.4
Surgical margin	negative	126	17.1
	positive	33	4.5
	close margin (1–3 mm)	7	0.9
	unknown	143	19.4
Stromal invasion depth	≥ 5 mm	20	2.7
	< 5 mm	200	27.1
	unknown	519	70.2
LVSI	negative	17	2.3
	positive	56	7.6
	unknown	666	90.1
Greatest tumour diameter	< 4 cm	203	27.5
	4–6 cm	243	32.9
	> 6 cm	71	9.6
	unknown	222	30
Tumour grade	differentiated*	422	57.1
	undifferentiated	10	1.4
	unknown	307	41.5

PLN – pelvic lymph node; PI – parametrial invasion; LVSI – lymphovascular space invasion