Table 2. Vibration perception thresholds at the heel in the sole of the foot at different frequencies in 269 healthy girls and boys.
| Heel | ||||||||
|---|---|---|---|---|---|---|---|---|
| Gender | Number | Age (years) | 8 Hz | 16 Hz | 32 Hz | 64 Hz | 125 Hz | 250 Hz |
| Girls | 41 | 8–10 | 96.9 (94–99) | 103.3 (101–106) | 108.8 (106–111) | 112.9 (110–115) | 120.4 (118–122) | 130.6 (128–133) |
| 55 | 11–15 | 97.6 (96–100) | 103.7 (102–105) | 109.7 (108–112) | 115.4 (113–117) | 120.3 (118–123) | 130.9 (128–133) | |
| 43 | 16–20 | 97.3 (96–99) | 104.1 (102–106) | 113.0 (112–114) | 119.0 (117–121) | 122.5 (120–125) | 133.0 (130–136) | |
| Boys | 36 | 8–10 | 94.6 (89–101) | 100.0 (94–106) | 105.7 (99–112) | 111.1 (104–118) | 116.1 (109–123) | 126.4 (118–134) |
| 54 | 11–15 | 98.7 (98–100) | 104.0 (102–106) | 111.5 (110–113) | 118.1 (116–120) | 120.8 (119–123) | 128.6 (126–131) | |
| 40 | 16–20 | 98.6 (97–100) | 104.6 (103–106) | 112.0 (110–114) | 119.7 (118–122) | 123.2 (121–126) | 133.8 (130–138) | |
Values, expressed in dB (relative to 10-6 m/s2), are means and 95% confidence intervals in parenthesis.