Patients Group NPC NPL NP-TB NPI
case number 42 16 11 26
symptoms
and
signs
blood-stain saliva 13 1 0 12
enlarged nodes in the neck 24 8 9 4
nasal obstruction 2 2 0 5
tinnitus 3 2 0 3
headache 0 2 0 2
continued low fever 0 0 2 0
course
(month)
range 0.3-12 0.3-24 0.3-6 0-24
mean 3.24 4.2 2 5.1
standard deviation 3.7 6.1 1.9 7.1
NPC = Nasopharyngeal Carcinoma; NPL = Nasopharyngeal Lymphoma; NP-TB = Nasopharyngeal Tuberculosis; NPI = Nasopharyngitis
Table 1: Symptoms and signs, courses of different groups.