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Table 3 Multiple comparisons (Tukey HSD) between primary tumor site

From: Dysphagia and its impact on the quality of life of head and neck cancer patients: institution-based cross-sectional study

Dependent variable Primary tumor site Primary tumor site Mean difference P 95% CI
Lower Upper
Total questions Oral cavity Nasal cavity 2.3 .830 − 7.2 11.8
Larynx 10.2* .048 0.1 20.3
Nasal cavity Larynx 7.9 .120 − 1.6 17.3
Composite mean Oral cavity Nasal cavity 2.7 .748 − 6.2 11.6
Larynx 9.8* .039 0.4 19.3
Nasal cavity Larynx 7.1 .135 − 1.7 15.9
Global Oral cavity Nasal cavity 8.1 .299 − 4.8 21.0
Larynx 13.9* .047 0.2 27.7
Nasal cavity Larynx 5.8 .525 − 7.0 18.6
Physical Oral cavity Nasal cavity 3.7 .701 − 7.1 14.4
Larynx 11.8* .042 0.4 23.3
Nasal cavity Larynx 8.2 .167 − 2.5 18.9
  1. *The mean difference is significant at the 0.05 level