1Department of Otolaryngology-Head and Neck Surgery, Center for Thyroid Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Korea
2Biometrics Research Branch, Research Institute and Hospital, National Cancer Center, Goyang, Korea
3Departement of Internal Medicine, Center for Thyroid Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Korea
Copyright © 2018 by the Korean Cancer Association
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Correlation | p-value | |
---|---|---|
Before surgery | 0.510 | < 0.001 |
1 Month after surgery | 0.750 | < 0.001 |
6 Months after surgery | 0.603 | < 0.001 |
12 Months after surgery | 0.622 | < 0.001 |
Variable | No. (%) (n=259) |
---|---|
Age, median (range, yr) | 47 (19-75) |
Sex | |
Male | 58 (22.4) |
Female | 201 (77.6) |
TNM stage (AJCC 7th) | |
Stage I, II | 159 (61.4) |
Stage III, IV | 95 (36.7) |
Benign | 5 (1.9) |
Type of surgery | |
Lobectomy | 59 (22.8) |
Total thyroidectomy | 56 (21.6) |
Total thyroidectomy+RAI | 144 (55.6) |
Dimension | No. of items | Scale scores, median (interquartile range) | Floor (%) | Ceiling (%) | IIC (min-max) | IDV (min-max) | IDV (%) | Cronbach’s α | ||
---|---|---|---|---|---|---|---|---|---|---|
Before surgery (n=259) | Physical | 13 | 86.2 (75.8 to 91.9) | 0.00 | 3.09 | 0.18 to 0.73 | ‒0.11 to 0.4 | 97 | 0.84 | 0.90 |
Psychological | 15 | 64.0 (52.7 to 77.7) | 0.00 | 1.16 | 0.27 to 0.71 | ‒0.26 to 0.55 | 93 | 0.87 | ||
Social | 14 | 80.0 (65.7 to 88.6) | 0.00 | 1.93 | 0.10 to 0.76 | ‒0.22 to 0.59 | 95 | 0.87 | ||
Spiritual | 7 | 51.4 (38.6 to 69.3) | 0.00 | 0.00 | ‒0.19 to 0.68 | ‒0.23 to 0.63 | 86 | 0.73 | ||
1 Month after surgery (n=237) | Physical | 13 | 77.7 (63.8 to 86.9) | 0.00 | 0.00 | 0.19 to 0.72 | ‒0.14 to 0.57 | 95 | 0.88 | 0.94 |
Psychological | 15 | 58.8 (47.1 to 71.2) | 0.00 | 0.00 | 0.40 to 0.78 | ‒0.17 to 0.67 | 98 | 0.91 | ||
Social | 14 | 74.3 (56.4 to 84.3) | 0.00 | 1.27 | 0.17 to 0.79 | ‒0.22 to 0.69 | 100 | 0.92 | ||
Spiritual | 7 | 54.3 (44.3 to 70.0) | 0.00 | 1.27 | ‒0.19 to 0.65 | ‒0.28 to 0.68 | 86 | 0.72 | ||
6 Months after surgery (n=233) | Physical | 13 | 78.5 (64.6 to 88.5) | 0.00 | 0.43 | 0.11 to 0.77 | ‒0.13 to 0.65 | 92 | 0.88 | 0.94 |
Psychological | 15 | 61.7 (49.4 to 72.8) | 0.00 | 1.29 | 0.34 to 0.75 | ‒0.16 to 0.63 | 96 | 0.91 | ||
Social | 14 | 76.4 (64.3 to 87.9) | 0.00 | 1.72 | 0.04 to 0.79 | ‒0.12 to 0.63 | 100 | 0.92 | ||
Spiritual | 7 | 54.3 (42.9 to 70.0) | 0.00 | 1.72 | ‒0.07 to 0.64 | ‒0.23 to 0.68 | 86 | 0.74 | ||
12 Months after surgery (n=223) | Physical | 13 | 77.7 (64.6 to 88.5) | 0.00 | 1.79 | 0.21 to 0.77 | ‒0.06 to 0.65 | 95 | 0.91 | 0.95 |
Psychological | 15 | 61.1 (48.9 to 73.3) | 0.00 | 0.90 | 0.37 to 0.81 | ‒0.16 to 0.65 | 94 | 0.92 | ||
Social | 14 | 79.3 (63.6 to 87.9) | 0.00 | 3.59 | 0.07 to 0.81 | ‒0.11 to 0.66 | 98 | 0.92 | ||
Spiritual | 7 | 54.3 (43.6 to 71.4) | 0.00 | 1.35 | ‒0.08 to 0.68 | ‒0.14 to 0.71 | 86 | 0.74 |
Dimension | ICC | ||
---|---|---|---|
ICC between 1 mo and 6 mo (n=210) | Physical | 0.716 | 0.813 |
Psychological | 0.748 | ||
Social | 0.727 | ||
Spiritual | 0.756 | ||
ICC between 1 mo and 12 mo (n=207) | Physical | 0.701 | 0.742 |
Psychological | 0.681 | ||
Social | 0.655 | ||
Spiritual | 0.694 | ||
ICC between 6 mo and 12 mo (n=208) | Physical | 0.799 | 0.822 |
Psychological | 0.750 | ||
Social | 0.719 | ||
Spiritual | 0.757 |
Correlation | p-value | |
---|---|---|
Before surgery | 0.510 | < 0.001 |
1 Month after surgery | 0.750 | < 0.001 |
6 Months after surgery | 0.603 | < 0.001 |
12 Months after surgery | 0.622 | < 0.001 |
Physical | Psychological | Social | Spiritual | Total score | |
---|---|---|---|---|---|
Before surgery | |||||
Physical | 1.000 | ||||
Psychological | 0.490 | 1.000 | |||
Social | 0.373 | 0.603 | 1.000 | ||
Spiritual | ‒0.044 | 0.030 | ‒0.018 | 1.000 | |
Total score | 0.662 | 0.856 | 0.784 | 0.250 | 1.000 |
1 Month after surgery | |||||
Physical | 1.000 | ||||
Psychological | 0.596 | 1.000 | |||
Social | 0.689 | 0.687 | 1.000 | ||
Spiritual | ‒0.082 | 0.108 | ‒0.102 | 1.000 | |
Total score | 0.799 | 0.896 | 0.857 | 0.177 | 1.000 |
6 Months after surgery | |||||
Physical | 1.000 | ||||
Psychological | 0.626 | 1.000 | |||
Social | 0.688 | 0.666 | 1.000 | ||
Spiritual | 0.012 | 0.150 | 0.003 | 1.000 | |
Total score | 0.820 | 0.894 | 0.835 | 0.275 | 1.000 |
12 Months after surgery | |||||
Physical | 1.000 | ||||
Psychological | 0.654 | 1.000 | |||
Social | 0.634 | 0.684 | 1.000 | ||
Spiritual | 0.051 | 0.192 | 0.088 | 1.000 | |
Total score | 0.800 | 0.907 | 0.840 | 0.317 | 1.000 |
AJCC, American Joint Committee on Cancer; RAI, radioactive iodine.
QoL, quality of life; IIC, item internal consistency; IDV, item discriminant validity.
ICC, intraclass correlation coefficient.
KT-QoL 1j item: voice changes. KT-QoL, Korean version of the self-reported questionnaire for thyroid cancer patients; VHI-30, Voice Handicap Index 30.
KT-QoL, Korean version of the self-reported questionnaire for thyroid cancer patients.