Table 2.
Conventional surface treatment | Mean ± SDa | Plasma surface treatment | Mean ± SD |
---|---|---|---|
AI | 17.9 ± 1.37aA | AII | 27.3 ± 3.30aB |
BI | 21.75 ± 1.87bA | BII | 19.5 ± 1.12bB |
CI | 18.36 ± 1.32aA | CII | 19.2 ± 1.14bA |
Note: Different superscript letters represent significant differences (lowercase letters for columns, uppercase letters for rows) (P < 0.05).
SD, standard deviation.