Characteristics of Chronic Pain among Head and Neck Cancer Patients Treated with Radiation Therapy: A Retrospective Study
Table 3
Site of cancer: frequency and percentage of prevalence of cancer by site and subsites and association between site of cancer and use of medications.
Site of cancer
Total
Use of opioids
Use of NSAIDs
Use of gabapentin
n
%
% yes
% yes
% yes
1. Oral cavity
No
47
88.7
61.7
1
25.5
0.649
12.8
0.219
Yes
6
11.3
66.7
33.3
33.3
1A. Lip
No
53
100
62.3
—
26.4
—
15.1
—
Yes
0
0
1B. Buccal mucosa
No
53
100
62.3
—
26.4
—
15.1
—
Yes
0
0
1C. Alveolar ridge, retromolar trigone
No
50
94.3
62.0
1
24.0
0.167
16.0
1
Yes
3
5.7
66.7
66.7
0.0
1D. Floor of mouth
No
50
94.3
60.0
0.282
26.0
1
12.0
0.056
Yes
3
5.7
100.0
33.3
66.7
1E. Hard palate
No
52
98.1
63.5
0.377
26.9
1
15.4
1
Yes
1
1.9
0.0
0.0
0.0
1F. Oral tongue
No
51
96.2
60.8
0.521
25.5
0.462
15.7
1
Yes
2
3.8
100.0
50.0
0.0
2. Pharynx
No
32
60.4
62.5
1
31.3
0.362
25.0
0.016
Yes
21
39.6
61.9
19.0
0.0
2A. Nasopharynx
No
52
98.1
63.5
0.377
26.9
1
15.4
1
Yes
1
1.9
0.0
0.0
0.0
2B. Oropharynx
No
35
66
60.0
0.768
25.7
1
22.9
0.04
Yes
18
34
66.7
27.8
0.0
2C. Oropharynx: base of tongue
No
44
83
63.6
0.715
27.3
1
18.2
0.324
Yes
9
17
55.6
22.2
0.0
2D. Soft palate
No
49
92.5
63.3
0.627
28.6
0.563
16.3
1
Yes
4
7.5
50.0
0.0
0.0
2E. Tonsillar fossa pillar
No
43
81.1
58.1
0.286
25.6
1
18.6
0.327
Yes
10
18.9
80.0
30.0
0.0
2F. Hypopharynx, pyriform sinus
No
46
86.8
65.2
0.405
30.4
0.17
17.4
0.577
Yes
7
13.2
42.9
0.0
0.0
3. Larynx
No
36
67.9
55.6
0.225
19.4
0.109
5.6
0.01
Yes
17
32.1
76.5
41.2
35.3
3A. Supraglottis
No
44
83
56.8
0.129
27.3
1
9.1
0.021
Yes
9
17
88.9
22.2
44.4
3B. Glottis
No
46
86.8
60.9
0.697
21.7
0.07
13.0
0.283
Yes
7
13.2
71.4
57.1
28.6
3C. Subglottis
No
50
94.3
60.0
0.282
26.0
1
14.0
0.394
Yes
3
5.7
100.0
33.3
33.3
4. Nasal cavity
No
50
94.3
62.0
1
28.0
0.557
16.0
1
Yes
3
5.7
66.7
0.0
0.0
5. Paranasal sinuses
No
53
100
62.3
—
26.4
—
15.1
—
Yes
0
0
6. Others
No
50
94.3
64.0
0.549
28.0
0.557
16.0
1
Yes
3
5.7
33.3
0.0
0.0
7. Salivary gland
No
50
94.3
66.0
0.049
26.0
1
16.0
1
Yes
3
5.7
0.0
33.3
0.0
Several cell sizes are very small and have been excluded from final statistical analyses. The ones that are included in the interpretation of final results are described in bold text.