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Table 2 Quantitative Analysis of images with statistical evaluation of the data of total, catecholaminergic, adrenergic nerve fibers (n. f.) and/or Beta-adrenergic receptors in the haemangiomatous and normal vessels.

From: Clinical and morphological characteristics of head-facial haemangiomas

QAI results Haemangiomatous vessels Normal vessels
   Total n. f. 31.4 ± 2.8* 96.3 ± 3.1
   Catecholaminergic n. f. 27.6 ± 3.3* 48.3 ± 2.8
   Adrenergic n. f. 12.9 ± 2.8* 21.6 ± 3.2
Beta-adrenergic receptors 39.8 ± 3.2* 95.6 ± 3.6
  1. All the results are expressed as C.U. (Conventional Units) ± SEM.
  2. * P < 0.001 versus normal.