애성환자의 임상통계적 관찰

Among the total new out-patients of 11, 351 who visited the dept, of otolaryngology, the patients with hoarseness were 333 cases(2.9%).

The underlying diseases causing hoarseness in order of frequency were laryngeal nodule(70 cases, chronic laryngitis(68 cases, 20.4%), vocal polyp(40 cases, 12%), acute laryngitis(35 cases, 10.5%)，vocal cord paralysis(24 cases, 7.2%)，laryngeal cancer (13 cases, 3.9%)，laryngeal tuberculosis(11 cases, 3.3%). Also, the normal finding on physical examination of larynx were seen on 32 cases(9.6%) and unknown etiology were 21 cases(6.3%).

Among above 333 cases, male were 179 cases and female were 154 ones. The incidence was slightly higher in male than female with ratio 1.16 to 1 in sex distribution. Particulary, larygeal cancer and vocal polyp were extremely high in male but the others were equally distributed in both sex gorup.

The incidence of age causing hoarseness in order of frequency were 3rd decade (100 cases, 30%), 4th decade(88 cases, 26.4%), 2nd decade(42 cases, 12.6%) and 5th decade (41 cases, 12.3%).

The highest incidence of the duration from the onset of hoarseness to consultation was between lldays to 1 month in 64 cases(l9.2%).

The number of patients who visit hospital within 3 months were 162 cases(48.6%) and over 1 year were 48 cases(l4.4%).

The highest incidence of associated symptom with hoarseness was sore throat(62 cases, 18.6%) and in decreasing order were sputum, foreigh body sensation, swallowing difficulty, cough and dyspnea. Hoarseness without associated symptom were seen on 162 cases(48.6%).

A great number of patients with ployp or nodule were not related to abuse of voice in our outpatients group.