Table 1. Clinicopathologic characteristics of the 297 patients.

Parameter	Number of patients	Percent (%)
Age, mean (range), yrs: 41.4 ± 8.6 (22–74)
≤45	207	69.7
>45	90	30.3
Tumor sizea, mean (range), cm: 1.2 ± 0.6 (0.2–2.0)
Stage
Ia2	50	16.8
Ib1	247	83.2
Histology
SCCb	279	93.9
ADc	16	5.4
ASCd	2	0.7
Grade
1	79	26.6
2	136	45.8
3	82	27.6
Conization parameter
Conization
LEEPe	40	13.5
CKCf	257	86.5
Tumor width, mean (range), mm: 12.98 ± 7.7 (0.2–4.0)
≤20 mm	262	88.2
>20 mm	35	11.8
Depth of stromal invasion, mean (range), mm: 4.1 ± 2.3 (1.0–13.0)
≤5 mm	237	79.8
>5 mm	60	20.2
LVSIg	47	15.8
Positive RMh	155	52.2
Ectocervical RM	48	16.2
Endocervical RM	103	34.7
Deep RM	51	17.2
RHi parameter
Surgical approach
Laparotomy	168	56.6
Laparoscopy	129	43.4
Residual disease	97	32.7
Carcinoma in situ	23	23.7
Invasive cancer	74	76.2
Tumor width, mean (range), mm: 14.0 ± 8.4 (0.2–4.0)
≤20 mm	233	78.5
>20 mm	64	21.5
Depth of stromal invasion, mean (range), mm: 4.6 ± 2.4 (1–15)
≤5 mm	215	724
>5 mm	82	27.6
LVSI	48	16.2
Vaginal invasion	4	1.3
Parametrial invasion	2	0.6
LNMj	15	5.1
Pelvic	13	4.4
Para-aortic	2	0.7
Positive RM	0	0

^aClinically measurable tumors only; ^bSquamous cell carcinoma; ^cAdenocarcinoma; ^dAdenosquamous carcinoma; ^eCold knife cone; ^fLoop electrosurgical excision procedure; ^gLymphovascular space involvement; ^hResection margin; ⁱRadical hysterectomy; ^jLymph node metastasis.