Table 1

Clinicopathologic characteristics of patients with FIGO stage IB1 and tumor size ≤2 cm

CharacteristicsAll (n=325, %)Open surgery group (n=196, %)Laparoscopy group (n=129, %)P value
Age, years
 Mean±SD50.74±9.9451.69±10.2549.29±9.310.033
BMI, kg/m2
 Mean±SD22.98±3.1922.98±3.1422.99±3.290.978
Histologic type0.624
 Squamous cell carcinoma268 (82.46)165 (84.18)103 (79.84)
 Adenocarcinoma42 (12.92)23 (11.73)19 (14.73)
 Adenosquamous10 (3.08)6 (3.06)4 (3.10)
 Others5 (1.54)2 (1.02)3 (2.33)
Grade0.111
 I59 (18.15)34 (17.35)25 (19.38)
 II114 (35.08)60 (30.61)54 (41.86)
 III107 (32.92)71 (36.22)36 (27.91)
 Not reported45 (13.85)31 (15.82)14 (10.85)
Preoperative conization or LEEP0.253
 Yes87 (27.77)48 (24.49)39 (30.23)
 No238 (73.23)148 (75.51)90 (69.77)
LVSI0.438
 Yes49 (15.08)32 (16.33)17 (13.18)
 No276 (84.92)164 (83.67)112 (86.82)
Invasion depth0.369
 Inner 1/3201 (61.85)115 (58.67)86 (66.67)
 Middle 1/362 (19.08)39 (19.90)23 (17.83)
 Deep 1/342 (12.92)30 (15.31)12 (9.30)
 Not reported20 (6.15)12 (6.12)8 (6.20)
Parametrial involvement0.416
 Yes1 (0.31)1 (0.51)0 (0)
 No324 (99.69)195 (99.49)129 (100)
Lymph node metastasis0.024
 Yes12 (3.69)11 (5.61)1 (0.78)
 No313 (96.31)185 (94.39)128 (99.22)
Resection margin0.416
 Positive1 (0.31)1 (0.51)0 (0)
 Negative324 (99.69)195 (99.49)129 (100)
Serum SCC level, ng/mL0.017
 n25017278
 Mean±SD1.06±0.871.15±0.920.86±0.69
Adjuvant treatment0.386
 Yes97 (29.85)62 (31.63)35 (27.13)
 No228 (70.15)134 (68.37)94 (72.87)
Median follow-up51.2749.551.80.62
  • BMI, body mass index; FIGO, International Federation of Gynecology and Obstetrics; LEEP, loop electrosurgical excision procedure.; LVSI, lymphovascular space invasion; SCC, squamous cell carcinoma.