Table 2.
Comparison for angular measurements between manual and digital techniques.
| S. no. | Parameter | Manual (mean ± SD) | Digital (mean ± SD) | Difference (mean ± SD) | “t” | “p” | “r” |
|---|---|---|---|---|---|---|---|
| 1. | SNA | 82.63 ± 3.79 | 82.76 ± 4.17 | −0.141 ± 0.80 | −0.484 | 0.631 | 0.902 |
| 2. | SNB | 78.35 ± 4.49 | 78.89 ± 5.05 | −0.541 ± 0.72 | −1.967 | 0.056 | 0.942 |
| 3. | ANB | 4.23 ± 3.39 | 3.89 ± 3.58 | 0.331 ± 0.18 | 1.779 | 0.083 | 0.944 |
| 4. | U1 to NA | 30.33 ± 8.36 | 30.56 ± 8.40 | −0.242 ± 0.67 | −0.556 | 0.581 | 0.949 |
| 5. | L1 to NB | 30.05 ± 7.46 | 29.86 ± 7.02 | 0.202 ± 0.53 | 0.488 | 0.629 | 0.941 |
| 6. | IIA | 115.10 ± 12.42 | 115.70 ± 12.58 | −0.602 ± 0.74 | −1.371 | 0.178 | 0.976 |
| 7. | MP | 28.23 ± 6.07 | 29.11 ± 6.32 | −0.881 ± 0.74 | −3.215 | 0.003 | 0.962 |
| 8. | OP | 18.85 ± 3.10 | 23.63 ± 2.79 | −4.78 ± 2.00 | −15.138 | 0.000 | 0.775 |
| 9. | SA | 125.78 ± 5.37 | 124.76 ± 5.48 | 1.02 ± 2.32 | 2.771 | 0.009 | 0.909 |
| 10. | AA | 141.75 ± 5.61 | 143.66 ± 6.76 | −1.91 ± 2.60 | −4.642 | 0.000 | 0.929 |
| 11. | GA | 122.90 ± 6.41 | 120.91 ± 7.43 | 1.99 ± 2.00 | 6.294 | 0.000 | 0.969 |
| 12. | STC | 15.80 ± 6.85 | 16.02 ± 7.06 | −0.22 ± 1.75 | −0.786 | 0.437 | 0.969 |
| 13. | FA | 87.50 ± 3.92 | 88.50 ± 4.71 | −1.00 ± 1.70 | −3.716 | 0.001 | 0.938 |
p < 0.05 – Significant; p < 0.01 – Very significant; p < 0.001 – Most significant.