Table 1 The comparison of the frequencies of presenting symptom in the central group and peripheral group
From: Treatment of 28 patients with sclerosing hemangioma (SH) of the lung
|  | Without symptom | With symptoms | χ 2 | P |
|---|---|---|---|---|
Central group | 3 | 5 | 0.700 | 0.678 |
Peripheral group | 11 | 9 | Â | Â |