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Table 1 The summary of MTTMJ patients’ clinico-pathologic characteristics

From: Malignant tumours of temporomandibular joint

Variables

Disease specific survival (n = 611)

Overall survival (n = 734)

Alive (%)

Dead (%)

P-value

Alive (%)

Dead (%)

P-value

Gender

 Female

198 (64.7%)

108 (35.3%)

0.67

199 (55.6%)

159 (44.4%)

0.711

 Male

203 (66.6%)

102 (33.4%)

203 (54%)

173 (46%)

Age

  ≤ 44 (47)

272 (81%)

64 (19%)

0.000

272 (74.9%)

91 (25.1%)

0.000

  > 44 (47)

129 (46.9%)

146 (53.1%)

130 (35%)

241 (65%)

Age period

 0–19

84 (83.2%)

17 (16.8%)

0.000

84 (77.1%)

25 (22.9%)

0.000

 20–29

78 (83.9%)

15 (16.1%)

78 (79.6%)

20 (20.4%)

 30–39

69 (80.2%)

17 (19.8%)

69 (74.2%)

24 (25.8%)

 40–49

55 (75.3%)

18 (24.7%)

55 (65.5%)

29 (34.5%)

 50–59

55 (66.3%)

28 (33.7%)

55 (36.4%)

46 (45.5%)

 60–69

36 (49.3%)

37 (50.7%)

36 (36.4%)

63 (63.6%)

 70–79

17 (28.3%)

43 (71.7%)

18 (22%)

64 (78%)

 80+

7 (2.9%)

35 (97.1%)

7 (10.3%)

61 (89.7%)

Race

 Others

59 (79.7%)

15 (20.3%)

0.001

59 (71.1%)

24 (28.9%)

0.000

 Black

88 (73.9%)

31 (26.1%)

88 (65.2%)

47 (34.8%)

 White

254 (60.8%)

164 (39.1%)

255 (49.4%)

261 (50.6%)

Pathological grade

 Grade I

37 (38.5%)

17 (31.5%)

0.140

37 (56.1%)

29 (43.9%)

0.318

 Grade II

70 (69.3%)

31 (30.7%)

71 (56.8%)

54 (43.2%)

 Grade III

40 (53.3%)

35 (46.7%)

40 (45.5%)

48 (54.5%)

 Grade IV

45 (65.2%)

24 (34.8%)

45 (57.7%)

33 (42.3%)

AJCC Stage

 Stage I

59 (92.2%)

5 (7.8%)

0.000

59 (86.8%)

9 (13.2%)

0.000

 Stage II

54 (74.0%)

19 (77.8%)

54 (65.1%)

29 (34.9%)

 Stage III

2 (22.2%)

7 (77.8%)

2 (20%)

8 (80%)

 Stage IV

6 (66.7%)

3 (33.3%)

6 (54.5%)

5 (45.5%)

T stage

 T1

33 (73.3%)

12 (26.7%)

0.324

33 (66%)

17 (34%)

0.721

 T2

121 (81.8%)

27 (18.2%)

121 (72.9%)

45 (27.1%)

 T3

14 (70%)

6 (30%)

14 (70%)

6 (30%)

 T4

1 (50%)

1 (50%)

1 (50%)

1 (50%)

N stage

 N0

155 (82%)

34 (18%)

0.001

155 (74.2%)

54 (25.8%)

0.006

 N1

5 (38.5%)

8 (61.5%)

5 (35.7%)

9 (64.3%)

 NX

9 (69.2%)

4 (30.8%)

9 (60%)

6 (60%)

M stage

 M0

163 (81.1%)

38 (18.9%)

0.003

163 (74.1%)

57 (25.9%)

0.001

 M1

3 (42.9%)

4 (57.1%)

3 (30%)

7 (70%)

 MX

3 (42.9%)

4 (57.1%)

3 (37.5%)

5 (62.5%)

Surgery

 No

31 (40.8%)

45 (59.2%)

0.000

31 (33.7%)

61 (66.3%)

0.000

 Yes

352 (74.9%)

118 (25.1%)

353 (62.8%)

209 (37.2%)

Radiotherapy

 No

305 (70%)

131 (30%)

0.000

305 (57.3%)

227 (42.7%)

0.005

 Yes

86 (53.1%)

76 (46.9%)

84 (45.4%)

101 (54.6%)

Chemotherapy

 No

295 (67.5%)

142 (32.5%)

0.122

295 (55.2%)

239 (44.8%)

0.673

 Yes

106 (60.9%)

68 (39.1%)

107 (53.5%)

93 (46.5%)