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. 2021 Jan 6;11(2):125–131. doi: 10.1016/j.jobcr.2021.01.004

Table 3.

Comparison of oral health-related quality of life of oral squamous cell carcinoma survivors among study groups at 1-month and 6-months of post-treatment.

OHIP-14 Study groups N (135) 1-month post-treatment
6-months post-treatment
Comparison between 1-month and 6-months post-treatment
Mean SD p value Mean SD p value
FL Surgery (A) 45 2.64 0.60 A ​< ​B ​< ​C (p ​< ​0.001) 0.60 0.61 A ​< ​B ​< ​C (p ​< ​0.001) P ​< ​0.001
Post-surgical RT (B) 45 3.51 0.50 1.68 0.70 P ​< ​0.001
Post-surgical CRT (C) 45 4.00 0.00 2.82 0.44 P ​< ​0.001
Total 135 3.37 0.72 1.70 1.07 P ​< ​0.001
PP Surgery (A) 45 2.48 0.75 A ​< ​B, A ​< ​C (p ​< ​0.001);
B ​< ​C (p ​= ​0.011)
0.60 0.57 A ​< ​B ​< ​C (p ​< ​0.001) P ​< ​0.001
Post-surgical RT (B) 45 3.48 0.54 1.35 0.52 P ​< ​0.001
Post-surgical CRT (C) 45 3.88 0.34 2.48 0.50 P ​< ​0.001
Total 135 3.28 0.81 1.48 0.95 P ​< ​0.001
PD Surgery (A) 45 1.06 0.49 A ​< ​B ​< ​C (p ​< ​0.001) 0.33 0.47 A ​< ​B ​< ​C (p ​< ​0.001) P ​< ​0.001
Post-surgical RT (B) 45 2.66 0.90 1.35 0.52 P ​< ​0.001
Post-surgical CRT (C) 45 3.64 0.48 2.02 0.54 P ​< ​0.001
Total 135 2.45 1.25 1.23 0.86 P ​< ​0.001
PhD Surgery (A) 45 1.37 0.49 A ​< ​B ​< ​C (p ​< ​0.001) 0.44 0.54 A ​< ​B ​< ​C (p ​< ​0.001) P ​< ​0.001
Post-surgical RT (B) 45 2.93 0.61 1.40 0.49 P ​< ​0.001
Post-surgical CRT (C) 45 3.86 0.31 2.40 0.61 P ​< ​0.001
Total 135 2.73 1.14 1.41 0.97 P ​< ​0.001
MD Surgery (A) 45 0.91 0.51 A ​< ​B ​< ​C (p ​< ​0.001) 0.33 0.47 A ​< ​B, A ​< ​C (p ​< ​0.001);
B ​< ​C (p ​= ​0.048)
P ​< ​0.001
Post-surgical RT (B) 45 2.02 0.83 1.40 1.55 P ​= ​0.021
Post-surgical CRT (C) 45 2.75 0.90 1.91 0.66 P ​< ​0.001
Total 135 1.89 1.08 1.21 1.20 P ​< ​0.001
SD Surgery (A) 45 0.95 0.20 A ​< ​B ​< ​C (p ​< ​0.001) 0.20 0.40 A ​< ​B ​< ​C (p ​< ​0.001) P ​< ​0.001
Post-surgical RT (B) 45 1.97 0.83 1.02 0.45 P ​< ​0.001
Post-surgical CRT (C) 45 2.84 0.82 1.80 0.66 P ​< ​0.001
Total 135 1.92 1.03 1.00 0.83 P ​< ​0.001
H Surgery (A) 45 1.11 0.85 A ​< ​B ​< ​C (p ​< ​0.001) 0.28 0.45 A ​< ​B ​< ​C (p ​< ​0.001) P ​< ​0.001
Post-surgical RT (B) 45 2.84 0.70 1.17 0.53 P ​< ​0.001
Post-surgical CRT (C) 45 3.53 0.62 2.35 0.64 P ​< ​0.001
Total 135 2.49 1.25 1.27 1.01 P ​< ​0.001
overall Surgery (A) 45 10.55 2.26 A ​< ​B ​< ​C (p ​< ​0.001) 2.80 2.40 A ​< ​B ​< ​C (p ​< ​0.001) P ​< ​0.001
Post-surgical RT (B) 45 20.20 3.80 13.62 5.64 P ​< ​0.001
Post-surgical CRT (C) 45 24.57 2.62 18.44 4.73 P ​< ​0.001
Total 135 18.44 6.57 11.62 7.92 P ​< ​0.001

OSCC: Oral squamous cell carcinoma; RT: Radiotherapy, CRT: Chemo-radiotherapy; FL: Functional limitation; PP: Physical pain; PD: Psychological discomfort; PhD; Physical disability; MD: Mental disability; SD: Social disability; H: Handicap; SD: standard deviation.