Table 1.
Comparison of mean right and left hand fingers and A-B ridges between case and control group
| Name of variable |
Case (n = 121) |
Control (n = 121) |
P |
|---|---|---|---|
| Mean ± SD | Mean ± SD | ||
| Right hand | |||
| Ridge count of thumb | 18.3 ± 4.8 | 18.0 ± 4.9 | 0.61 |
| Ridge count of index | 11.8 ± 6.7 | 11.2 ± 6.8 | 0.51 |
| Ridge count of middle finger | 11.7 ± 5.5 | 11.8 ± 5.9 | 0.81 |
| Ridge count of ring finger | 15.3 ± 4.5 | 15.1 ± 5.6 | 0.84 |
| Ridge count of small finger | 12.8 ± 4.6 | 12.4 ± 4.6 | 0.48 |
| A-B ridge count | 34.5 ± 4.8 | 34.4 ± 4.8 | 0.91 |
| Left hand | |||
| Ridge count of thumb | 18.3 ± 4.9 | 18.0 ± 4.9 | 0.51 |
| Ridge count of index | 11.8 ± 6.7 | 11.2 ± 6.4 | 0.89 |
| Ridge count of middle finger | 11.7 ± 5.5 | 11.8 ± 5.9 | 0.41 |
| Ridge count of ring finger | 15.3 ± 4.5 | 15.1 ± 5.6 | 0.92 |
| Ridge count of small finger | 12.8 ± 4.6 | 12.4 ± 4.6 | 0.36 |
| A-B ridge count | 34.5 ± 4.8 | 34.4 ± 4.8 | 0.22 |
| Total A-B ridge count of right and left hand | 72.1 ± 9.2 | 71.1 ± 8.9 | 0.37 |
SD: Standard deviation