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Table 1 Comparison of otosphere size parameters between treatment groups and species

From: Retention of progenitor cell phenotype in otospheres from guinea pig and mouse cochlea

Groups EGF + bFGF EGF + TGFα p Mouse* Guinea pig* p
Number of spheres per coverslip 9 ± 1 23.3 ± 8.5 0.044 18.5 ± 11 11.5 ± 4.9 0.458
Number of cells in each sphere 16.3 ± 4.1 37.6 ± 23.5 0.098 32.6 ± 30.5 12.5 ± 5.8 0.041
  1. Values represent the mean ± 1 standard deviation; p is from Student's t-test; and * considers both growth factor treatment together.