Table 3. Comparison of elastic modulus values Emax, Emean, and Emin between HER-2 negative and positive groups.
| Indicator | HER-2 negative group (n=31) | HER-2 positive group (n=39) | t | P value |
|---|---|---|---|---|
| Emax (kPa) | 142.86±78.38 | 100.34±62.67 | 2.461 | 0.02* |
| Emean (kPa) | 50.03±26.23 | 40.11±21.17 | 1.708 | 0.09 |
| Emin (kPa) | 7.00±10.60 | 8.30±8.00 | 3.570 | 0.57 |
Data are expressed as mean ± standard deviation. *, statistically significant. Emax, maximum elastic modulus; Emean, mean elastic modulus; Emin, minimum elastic modulus; HER-2, human epidermal growth factor receptor-2.