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Table 4 Univariate analysis of disease-free survival among patients

From: Endometriosis is the independent prognostic factor for survival in Chinese patients with epithelial ovarian carcinoma

Variable Category N(%) OS (Median(IQR)) Survival rate(%) P
Age y <49 141 (46.38) 52 [16,87] 57.45 0.0194a
  > = 49 163 (53.62) 31 [12,65] 47.85  
Menopausal status Pre 161 (52.96) 50 [17,87] 57.14 0.0052a
  Post 143 (47.04) 26 [11,64] 46.85  
Gravidity 0 35 (11.51) 44 [16,90] 51.43 0.6329
  > = 1 269 (88.49) 39 [12,75] 52.79  
Parity 0 51 (16.78) 51 [15,86] 52.94 0.5262
  > = 1 253 (83.22) 38 [12,75] 52.57  
Stage Early 185 (60.86) 59 [36,88] 74.59 <.0001a
  Late 119 (39.14) 14 [8,28] 18.49  
FIGO Stage I 141 (46.38) 62 [44,90] 81.56 <.0001a
  II 44 (14.47) 42 [17.5,80] 50  
  III 104 (34.21) 15 [9,30.5] 20.19  
  IV 15 (4.93) 9 [0.5,22] 6.67  
Histotype Clear cell 118 (38.82) 52.5 [14,85] 61.86 0.0091a
  Endometrioid 186 (61.18) 34.5 [12,70] 46.24  
Lymphadenectomy Yes 51 (16.77) 12 [6,26] 23.53 <.0001a
  No 253 (83.22) 48 [17,82] 58.1  
Metastasis of LN Positive 213 (70.07) 54 [24,86] 64.79 <.0001a
  Negative 40 (13.16) 13 [7,31] 22.5  
Residual disease >1 cm 231 (75.99) 53 [22,84] 17.81 <.0001a
  None or <1 cm 73 (24.01) 12 [5,23] 63.2  
CA125 normal Yes 55 (18.09) 64 [48,97] 74.55 <.0001a
  No 249 (81.91) 30 [12,70] 47.39  
Tumor size(cm) <10 153 (50.33) 40 [13,77] 50.33 0.7834
  ≥10 151 (49.67) 38 [13,75] 54.3  
Tumor side Unilateral 212 (69.74) 50.5 [14.5,83] 60.85 <.0001a
  Bilateral 92 (30.26) 27.5 [12,55.5] 33.7  
Endometriosis No 235 (77.30) 31 [12,69] 44.68 <.0001a
  Yes 69 (22.70) 60 [36,89] 78.26  
Endometrial disorders No 252 (82.89) 38 [13,75.5] 51.19 0.3357
Yes 52 (17.11) 48 [13,76] 57.69  
Endometrial cancer No 252 (82.89) 38 [13,75.5] 51.19 0.2503
Yes 27 (8.88) 49 [18,86] 59.26  
Hypertension No 250 (82.24) 41 [14,76] 52.8 0.4164
  Yes 54 (17.763) 29.5 [11,68] 50  
Chemotherapy cycle <4 191 (62.83) 51 [19,83] 61.78 <.0001a
≥4 100 (32.89) 19 [11,45] 32  
Chemotherapy resistence No 252 (82.89) 51.5 [24,84] 63.1 <.0001a
Yes 52 (17.11) 7.5[3,10] 0  
  1. Abbreviation: EOC, epithelial ovarian carcinoma; FIGO, International Federation of Gynecology and Obstetrics
  2. athe difference reached statistical significance. P values were cultivated by Kaplan-Meier analysis