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Table 1 Distribution and association of nodal involvement with various covariates

From: Ordinal logistic regression model describing factors associated with extent of nodal involvement in oral cancer patients and its prospective validation

Variables

 

Freq (%)

No Nodes

1 Node(+)

2–4 Node(+)

> 4 Node(+)

P value

Gender

Female

212 (22.4)

116 (54.7)

31 (14.6)

44 (20.8)

21 (9.9)

 

Male

733 (77.6)

453 (61.8)

118 (16.1)

118 (16.1)

44 (6.0)

0.062

Age

< 40

184 (19.5)

113 (61.4)

31 (16.8)

29 (15.8)

11 (6.0)

 

(years)

40–60

549 (58.1)

322 (58.6)

90 (16.4)

94 (17.1)

43 (7.8)

 

> 60

212 (22.4)

134 (63.2)

28 (13.2)

39 (18.4)

11 (5.2)

0.682

Soc-Eco

LC

252 (26.7)

151 (59.9)

37 (14.7)

45 (17.9)

19 (7.5)

 

Status

LMC

499 (52.8)

309 (61.9)

70 (14.0)

84 (16.8)

36 (7.2)

 

UMC

174 (18.4)

97 (55.7)

38 (21.8)

31 (17.8)

8 (4.6)

 

UC

20 (2.1)

12 (60.0)

4 (20.0)

2 (10.0)

2 (10.0)

0.451

Pain

No

521 (55.1)

330 (63.3)

80 (15.4)

84 (16.1)

27 (5.2)

 

Yes

424 (44.9)

239 (56.4)

69 (16.3)

78 (18.4)

38 (9.0)

0.056

Dur. Of

< 3

250 (26.5)

146 (58.4)

43 (17.2)

41 (16.4)

20 (8.0)

 

Symp.

> = 3 & < 6

372 (39.4)

216 (58.1)

60 (16.1)

66 (17.7)

30 (8.1)

 

(months)

> = 6

323 (34.1)

207 (64.1)

46 (14.2)

55 (17.0)

15 (4.6)

0.448

Leukoplakia

No

862 (91.2)

513 (59.5)

140 (16.2)

151 (17.5)

58 (6.7)

 

Yes

83 (8.8)

56 (67.5)

9 (10.8)

11 (13.3)

7 (8.4)

0.345

Smoking

No

592 (62.6)

342 (57.8)

97 (16.4)

106 (17.9)

47 (7.9)

 

Yes

353 (37.4)

227 (64.3)

52 (14.7)

56 (15.9)

18 (5.1)

0.166

SMF

No

904 (95.7)

538 (59.5)

142 (15.7)

160 (17.7)

64 (7.1)

 

Yes

41 (4.3)

31 (75.6)

7 (17.1)

2 (4.9)

1 (2.4)

0.081

Dur. Risk

0

162 (17.2)

93 (57.4)

24 (14.8)

27 (16.7)

18 (11.1)

 

(months)

≤60

92 (9.7)

52 (56.5)

11 (12.0)

23 (25.0)

6 (6.5)

 

> 60 & ≤120

240 (25.4)

136 (56.7)

49 (20.4)

40 (16.7)

15 (6.3)

 

> 120 & ≤240

262 (27.7)

167 (63.7)

42 (16.0)

41 (15.7)

12 (4.6)

 

> 240

189 (20.0)

121 (64.0)

23 (12.2)

31 (16.4)

14 (7.4)

0.117

cTumor

UIG

386 (40.8)

221 (57.2)

69 (17.9)

70 (18.1)

26 (6.7)

 

Growth

UPG

539 (57.0)

335 (62.1)

78 (14.5)

89 (16.5)

37 (6.9)

 

Other

20 (2.2)

13 (65.0)

2 (10.0)

3 (15.0)

2 (10.0)

0.710

c T Stage

T1

80 (8.5)

51 (63.7)

13 (16.3)

9 (11.2)

7 (8.8)

 

T2

252 (26.7)

145 (57.5)

52 (20.6)

46 (18.3)

9 (3.6)

 

T3

99 (10.5)

61 (61.6)

11 (11.1)

17 (17.2)

10 (10.1)

 

T4

514 (54.3)

312 (60.7)

73 (14.2)

90 (17.5)

39 (7.6)

0.102

Trismus

No

724 (76.6)

437 (60.4)

107 (14.8)

126 (17.4)

54 (7.5)

 

Yes

221 (23.4)

132 (59.7)

42 (19.0)

36 (16.3)

11 (5.0)

0.312

cSkinInv

No

721 (76.3)

429 (59.5)

121 (16.8)

125 (17.3)

46 (6.4)

 

Yes

224 (23.7)

140 (62.5)

28 (12.5)

37 (16.5)

19 (8.5)

0.333

OCF

No

916 (96.9)

549 (59.9)

145 (15.8)

159 (17.4)

63 (6.9)

 

Yes

29 (3.1)

20 (69.0)

4 (13.8)

3 (10.3)

2 (6.9)

0.738

cBoneInv

No

694 (73.4)

426 (61.4)

112 (16.1)

111 (16.0)

45 (6.5)

 

Yes

251 (26.6)

143 (57.0)

37 (14.7)

51 (20.3)

20 (8.0)

0.331

cNeck Node

No

233 (24.7)

171 (73.4)

33 (14.2)

23 (9.9)

6 (2.6)

 

Yes

712 (75.3)

398 (55.9)

116 (16.3)

139 (19.5)

59 (8.3)

< 0.001

Oral Site

BM

272 (28.7)

175 (64.3)

42 (15.4)

41 (15.1)

14 (5.2)

 

Tongue

200 (21.3)

110 (55.0)

33 (16.5)

38 (19.0)

19 (9.5)

 

Alvelobuccal

177 (18.7)

100 (56.5)

30 (17.0)

31 (17.5)

16 (9.0)

 

Alveolus

104 (11.0)

59 (56.7)

20 (19.2)

18 (17.3)

7 (6.7)

 

CA & FOM

90 (9.5)

62 (68.9)

9 (10.0)

14 (15.6)

5 (5.6)

 

RMT

54 (5.7)

37 (68.5)

7 (13.0)

8 (14.8)

2 (3.7)

 

Lip

48 (5.1)

26 (54.2)

8 (16.7)

12 (25.0)

2 (4.2)

0.551

Deg. of Diff.

WD

658 (69.6)

410 (62.3)

102 (15.5)

104 (15.8)

42 (6.4)

 

Others

287 (30.4)

159 (55.4)

47 (16.4)

58 (20.2)

23 (8.0)

0.194

Tumor Size

<=2

256 (27.1)

165 (64.4)

39 (15.2)

41 (16.0)

11 (4.3)

 

(cm)

> 2 and < =4

466 (49.3)

270 (57.9)

86 (18.5)

80 (17.2)

30 (6.4)

 

> 4

223 (23.6)

134 (60.1)

24 (10.8)

41 (18.4)

24 (10.8)

0.022

Total

 

945 (100)

569 (60.2)

149 (15.8)

162 (17.1)

65 (6.9)

 
  1. LC Lower class, LMC Lower middle class, UC Upper class, UMC Upper middle class, UIG Ulceroinfiltrative, UPG, ulceroproliferative, WD Well Differentiated; Deg. of Diff. Degree of differentiation, cSkin Inv clinical skin involvement, cBone Inv clinical bone involvement, SMF sub mucous fibrosis.