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Table 3 Divergences with regards to the average age of diagnosis of the different diseases. NS: non-significant. N = number. SD = standard deviation

From: Clinicopathological features of 214 maxillary sinus pathologies. A ten-year single-centre retrospective clinical study

Age N Average SD Minimum Maximum Significant differences
Non-specific sinusitis 95 42.6 17.7 2.9 74.9 Fungal sinusitis p = 0.014
Malignant tumour p < 0.001
Fungal sinusitis 21 57.5 17.4 20.3 92.5 Nonspecific sinusitis p = 0.014
Inverted papilloma 16 56.1 11.0 37.8 78.0 NS
Polyp 39 42.6 16.7 7.4 71.4 Malignant tumour p < 0.001
Cyst 8 38.6 17.2 18.8 58.2 Malignant tumour p = 0.009
Mucocele 5 41.6 26.1 3.6 66.7 NS
Benign tumour 5 38.8 24.1 2.7 70.2 NS
Malignant tumour 21 65.2 16.1 16.3 87.4 Nonspecific sinusitis p < 0.001
Polyp p < 0.001
Cyst p = 0.009
Other 4 41.2 10.9 32.0 53.7 NS
Total 214 47.0 18.8 2.7 92.5 P < 0.001
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