Table 3. Vibration perception thresholds at the first metatarsal head in the sole of the foot at different frequencies in 269 healthy girls and boys.
| First metatarsal head | ||||||||
|---|---|---|---|---|---|---|---|---|
| Gender | Number | Age (years) | 8 Hz | 16 Hz | 32 Hz | 64 Hz | 125 Hz | 250 Hz |
| Girls | 41 | 8–10 | 96.0 (94–98) | 101.0 (99–102) | 106.3 (104–108) | 110.5 (108–113) | 113.3 (111–116) | 126.0 (123–130) |
| 55 | 11–15 | 98.0 (96–100) | 102.5 (101–104) | 106.5 (105–108) | 109.6 (107–112) | 111.0 (109–113) | 122.1 (120–125) | |
| 43 | 16–20 | 97.5 (95–99) | 103.7 (102–105) | 108.6 (107–110) | 111.8 (110–114) | 115.0 (113–117) | 127.4 (125–130) | |
| Boys | 36 | 8–10 | 97.8 (95–100) | 101.5 (100–103) | 106.6 (104–109) | 107.3 (105–110) | 111.2 (108–114) | 122.7 (119–126) |
| 54 | 11–15 | 97.6 (96–99) | 102.7 (101–104) | 108.7 (107–111) | 112.6 (110–115) | 113.1 (110–116) | 123.6 (121–126) | |
| 40 | 16–20 | 98.0 (96–100) | 102.9 (101–105) | 109.3 (107–111) | 113.0 (110–116) | 114.5 (112–118) | 126.5 (124–129) | |
Values, expressed in dB (relative to 10-6 m/s2), are means and 95% confidence intervals in parenthesis.