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Table 1 Summary GHS-R expression data and statistical findings

From: Receptor of ghrelin is expressed in cutaneous neurofibromas of individuals with neurofibromatosis 1

 

Cutaneous Neurofibromas

 

Large

Small

P-value

Mean (± standard deviation)

Mean (± standard deviation)

Volume (mm3)

1923 (±2349)

63.9 (±62.1)

<0.0001a

Total number of nuclei per neurofibroma

25,878 (±10,979)

5,2016 (±27,953)

–

Number of positive nuclei per neurofibroma

14,025 (±6310)

21,912 (±14,146)

–

Percent of positive nuclei per neurofibroma/n*

53.6% (±9.2)/48

41.1%(±13.1)/48

<0.0001b

Percent of positive nuclei (considering the tumors of the same individuals with volume difference ≥1000 mm3)/n*

52.9%(±8.6)/24

44.2%(±14.4)/24

0.01b

Percent of positive nuclei (considering the tumors of the same individuals with volume difference of ≥3000 mm3)/n*

53.6% (±8.0)/9

35.4% (±16.1)/9

0.015a

Percent of cells with strong staining / Number of tumors with predominance of cells with strong staining

24.1%d (±7.1)/42d

13.5% (±9)/20

<0.0001c

Percent of cells with moderate staining / Number of tumors with predominance of cells with moderate staining

17.9%d (±4.6)/13d

13.5% (±4.3)/8

Percent of cells with weak staining / Number of tumors with predominance of cells with weak staining

11.4% (±2.7)/0 (none)

14.1% (±4.2)/25

Area of analysis (mm2)

4.2 (±1.7)

10.2 (±6.3)

–

  1. * n, number of tumors
  2. aWilcoxon rank-sum test
  3. bPaired t-test
  4. cANOVA one-way (with Bonferroni correction)
  5. dvalues with statistical difference after Bonferroni correction