Comparison Mean difference Q P value
Group 1: 3 Vs 4-5 9.9 11.031 <0.001
Group 2: 3 Vs >5 25.3 28.189 <0.001
Group 3: 4-5 Vs >5 15.4 17.159 <0.001
Table 7: Tukey-Kramer multiple comparisons test for squamous cell carcinoma.