Table 5.
Summary statistics of water and glycol wetting angle, and results of Kruskal–Wallis multiple comparison test. (Control—control group, J1W—juice one week, J2W—juice two weeks, C1W—Coca-Cola one week, C2W—Coca-Cola two weeks, and n.s.—no statistically significant difference).
| Wetting Angle [°]—Water | ||||||||
|---|---|---|---|---|---|---|---|---|
| Group Number | Name | Count | Average | Median | Standard Deviation | Minimum | Maximum | p < 0.05 |
| 1 | Control | 15 | 68.9 | 65.5 | 5.4 | 64.2 | 75.9 | vs. 4 |
| 2 | J1W | 15 | 57.1 | 53.9 | 6.8 | 50.1 | 64.5 | n.s. |
| 3 | J2W | 15 | 53.4 | 52.3 | 2.7 | 50.7 | 57.7 | n.s. |
| 4 | C1W | 15 | 30.5 | 36.8 | 9.9 | 19.5 | 38.7 | vs. 1 |
| 5 | C2W | 15 | 53.9 | 54.6 | 4.8 | 48.8 | 60.7 | n.s. |
| Wetting Angle [°]—glycol | ||||||||
| Group Number | Name | Count | Average | Median | Standard deviation | Minimum | Maximum | p < 0.05 |
| 1 | Control | 15 | 54.4 | 54.2 | 2.0 | 52.6 | 57.5 | vs. 3, vs. 4 |
| 2 | J1W | 15 | 44.9 | 43.5 | 3.3 | 42.0 | 50.3 | vs. 4 |
| 3 | J2W | 15 | 36.1 | 35.0 | 2.3 | 34.1 | 39.2 | vs. 1 |
| 4 | C1W | 15 | 26.5 | 26.1 | 2.4 | 23.4 | 29.8 | vs. 1, vs. 2 |
| 5 | C2W | 15 | 42.4 | 42.7 | 5.8 | 35.8 | 51.2 | n.s. |