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Table 1 Baseline demographic and clinical characteristics of chordoma patients in our study

From: Influence of marital status on overall survival in adult patients with chordoma: a SEER-based study

Characteristic

Total

no. (%)

Married

Divorced/separated

Widowed

Single

p value

No. (%)

No. (%)

No. (%)

No. (%)

Total

1080

700 (64.8)

88 (8.1)

78 (7.2)

214 (19.8)

 

Year of diagnosis

     

0.014

 1975–1988

98 (9.1)

70 (10.0)

4 (4.5)

12 (15.4)

12 (5.6)

 

 1988–2002

262 (24.3)

181 (25.9)

19 (21.6)

20 (25.6)

42 (19.6)

 

 2003–2016

720 (66.7)

449 (64.1)

65 (73.9)

46 (59.0)

160 (74.8)

 

Age at diagnosis

     

< 0.001

 < 40

242 (22.4)

131 (18.7)

18 (20.5)

0 (0.0)

93 (43.5)

 

 40–60

412 (38.1)

294 (42.0)

35 (39.8)

4 (5.1)

79 (36.9)

 

 > 60

426 (39.4)

275 (39.3)

35 (39.8)

74 (94.9)

42 (19.6)

 

Sex

     

< 0.001

 Male

647 (59.9)

441 (63.4)

46 (52.3)

21 (26.9)

136 (63.6)

 

 Female

433 (40.1)

256 (36.6)

42 (47.7)

57 (73.1)

78 (36.4)

 

Primary site

     

0.019

 Bones of skull and face and associated joints

436 (40.4)

285 (40.7)

34 (38.6)

17 (21.8)

100 (46.7)

 

 Vertebral column

279 (25.8)

179 (25.6)

25 (28.4)

27 (34.6)

48 (22.4)

 

 Pelvic bone, sacrum, coccyx, and associated joints

365 (33.8)

236 (33.7)

29 (33.0)

34 (43.6)

66 (30.8)

 

Disease stage

     

0.587

 Localized

442 (40.9)

288 (41.1)

38 (43.2)

30 (38.5)

86 (40.2)

 

 Regional

454 (42.0)

290 (41.4)

41 (46.6)

32 (41.0)

91 (42.5)

 

 Distant

90 (8.3)

55 (7.9)

5 (5.7)

7 (9.0)

23 (10.7)

 

 Unstaged

94 (8.7)

67 (9.6)

4 (4.5)

9 (11.5)

14 (6.5)

 

Tumor size

     

0.084

 < 5 cm

357 (33.1)

229 (32.7)

32 (36.4)

18 (23.1)

78 (36.4)

 

 5–10 cm

256 (23.7)

155 (22.1)

21 (23.9)

21 (26.9)

59 (27.6)

 

 > 10 cm

101 (9.4)

64 (9.1)

10 (11.4)

5 (6.4)

22 (10.3)

 

 Unknown

366 (33.9)

252 (36.0)

25 (28.4)

34 (43.6)

55 (25.7)

 

Histological type

     

0.953

 Conventional chordoma

1019 (94.4)

659 (94.1)

83 (94.3)

75 (96.2)

202 (94.4)

 

 Chondroid chordoma

54 (5.0)

37 (5.3)

4 (4.5)

3 (3.8)

10 (4.7)

 

 Dedifferentiated chordoma

7 (0.6)

4 (0.6)

1 (1.1)

0 (0.0)

2 (0.9)

 

Surgery

     

< 0.001

 Surgery not performed

177 (16.4)

99 (14.1)

20 (22.7)

29 (37.2)

29 (13.6)

 

 STR

452 (41.9)

295 (42.1)

38 (43.2)

23 (29.5)

96 (44.9)

 

 GTR

301 (27.9)

199 (28.4)

23 (26.1)

12 (15.4)

67 (31.3)

 

 Unknown extent of resection

150 (13.9)

107 (15.3)

7 (8.0)

14 (17.9)

22 (10.3)

 

Radiotherapy

     

0.734

 Yes

544 (50.4)

354 (50.6)

48 (54.5)

40 (51.3)

101 (47.7)

 

 No

536 (49.6)

346 (49.4)

40 (45.5)

38 (48.7)

112 (52.3)

 

Chemotherapy

     

0.639

 Yes

40 (3.7)

24 (3.4)

3 (3.4)

2 (2.6)

11 (5.1)

 

 No

1040 (96.3)

676 (96.6)

85 (96.6)

76 (97.4)

203 (94.9)

 
  1. Note: p value < 0.05 are shown in bold
  2. Abbreviations: STR subtotal resection, GTR gross total/radical resection
  3. Percentages may not total 100 because of rounding