Table8. Calcification: Pairwise comparing of all groups (Games-Howell test) .
| (I) Group | (J) Group | Mean difference | P value | 95% CI | |
| Lower bound | Upper bound | ||||
| Negative(No cell)-control (0) | OM(1) | 0.09 | 0.000 | 0.04 | 0.14 |
| Negative(No cell)-control (0) | VD (2) | 0.19 | 0.000 | 0.13 | 0.26 |
| Negative(No cell)-control (0) | 660nm, 10s(3) | 0.18 | 0.000 | 0.11 | 0.24 |
| Negative(No cell)-control (0) | VD+ 660nm, 10s(4) | 0.34 | 0.000 | 0.25 | 0.42 |
| Negative(No cell)-control (0) | 660nm, 17s(5) | 0.19 | 0.002 | 0.07 | 0.30 |
| Negative(No cell)-control (0) | VD+ 660nm, 17s(6) | 0.48 | 0.000 | 0.35 | 0.60 |
| OM(1) | VD (2) | 0.11 | 0.000 | 0.05 | 0.16 |
| OM(1) | 660nm, 10s(3) | 0.09 | 0.000 | 0.03 | 0.14 |
| OM(1) | VD+ 660nm, 10s(4) | 0.25 | 0.000 | 0.16 | 0.33 |
| OM(1) | 660nm, 17s(5) | 0.09 | 0.1 | 0.18 | 0.22 |
| OM(1) | VD+ 660nm, 17s(6) | 0.39 | 0.000 | 0.27 | 0.51 |
| VD (2) | 660nm, 10s(3) | 0.02 | 0.09 | 0.05- | 0.08 |
| VD (2) | VD+ 660nm, 10s(4) | 0.14 | 0.002 | 0.05 | 0.23 |
| VD (2) | 660nm, 17s(5) | 0.008 | 1.00 | 0.11- | 0.13 |
| VD (2) | VD+ 660nm, 17s(6) | 0.28 | 0.000 | 0.16 | 0.40 |
| 660nm, 10s(3) | VD+ 660nm, 10s(4) | 0.16 | 0.000 | 0.07 | 0.25 |
| 660nm, 10s(3) | 660nm, 17s(5) | 0.01 | 1.00 | 0.11- | 0.13 |
| 660nm, 10s(3) | VD+ 660nm, 17s(6) | 0.30 | 0.000 | 0.18 | 0.42 |
| VD+ 660nm, 10s(4) | 660nm, 17s(5) | 0.15 | 0.01 | 0.02 | 0.28 |
| VD+ 660nm, 10s(4) | VD+ 660nm, 17s(6) | 0.14 | 0.03 | 0.000 | 0.27 |
| 660nm, 17s(5) | VD+ 660nm, 17s(6) | 0.29 | 0.000 | 0.14 | 0.44 |
OM: Osteogenic medium; VD: Vitamin D