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Table 1 Demographic and pathoclinical features of BOT patients

From: Age-dependent difference in impact of fertility preserving surgery on disease-specific survival in women with stage I borderline ovarian tumors

Variables

 

Overall (n = 2946)

<  50 (n = 1751)

≥ 50 (n = 1195)

P value

Age (years)

Median (range)

45.0 (10–96)

36.0 (10–49)

64.0 (50–96)

 

Mean ± SD

47.1 ± 17.0

35.3 ± 8.6

64.3 ± 10.2

 

Race

 

White

2505 (85.0)

1463 (83.6)

1042 (87.2)

0.0049

 

Black

170 (5.8)

102 (5.8)

68 (5.7)

 
 

Others

271 (9.2)

186 (10.6)

85 (7.1)

 

Histology

 

Serous

1646 (55.9)

961 (54.9)

685 (57.3)

0.1905

 

Mucinous

1300 (44.1)

790 (45.1)

510 (42.7)

 

Marital status

Single*

1268 (43.0)

736 (42.0)

532 (44.5)

0.3188

 

Married

1560 (53.0)

940 (53.7)

620 (51.9)

 
 

Unknown

118 (4.0)

75 (4.3)

43 (3.6)

 

Lymphadenectomy

 

No

2602 (88.3)

1575 (90.0)

1027 (85.9)

0.0004

 

Yes

336 (11.4)

169 (9.6)

167 (14.0)

 
 

Unknown

8 (0.3)

7 (0.4)

1 (0.1)

 

AJCC stage

 

T1a

2337 (79.3)

1407 (80.4)

930 (77.8)

0.0582

 

T1b

177 (6.0)

90 (5.1)

87 (7.3)

 
 

T1c

281 (9.6)

171 (9.8)

110 (9.2)

 
 

T1x

151 (5.1)

83 (4.7)

68 (5.7)

 

Tumor size

 

≤ 5 cm

425 (40.6)

244 (40.3)

181 (40.9)

0.8402

 

>  5 cm

622 (59.4)

361 (59.7)

261 (59.1)

 

Hysterectomy

No

1572 (53.4)

1138 (65.0)

434 (36.3)

< 0.0001

 

Yes

1374 (47.6)

613 (35.0)

761 (63.7)

 

Fertility preserving surgery

 

No

1765 (59.9)

751 (42.9)

1014 (84.9)

< 0.0001

 

Yes

1181 (40.1)

1000 (57.1)

181 (15.1)

 

Laterality

 

Unilateral

1092 (37.1)

646 (36.9)

446 (37.3)

0.9652

 

Bilateral

1253 (42.5)

748 (42.7)

505 (42.3)

 
 

Unknown

601 (20.4)

357 (20.4)

244 (20.4)

 

Death

No

2876 (97.6)

1735 (99.1)

1141 (95.5)

< 0.0001

 

Yes

70 (2.4)

16 (0.9)

54 (4.5)

 

Follow-up time (months)

Median (range)

200 (1–323)

217 (1–323)

176 (1–323)

 

Mean ± SD

194.0 ± 72.0

215.0 ± 59.2

163.4 ± 77.8

< 0.0001

  1. *including never married, divorced, widowed. Abbreviations: AJCC, American Joint Commission on Cancer; T1x, T1 undefined