Table 3.
Results of the ICC analysis of the chronic LBP cohort.
| Location | Variable | Mean(SD) | ICC (95% CI) | |||
|---|---|---|---|---|---|---|
| 1st Measurement | 2nd Measurement | Mean of two measurements | ||||
| Left Side | L1 | Frequency (Hz) | 16.5 (2.31) | 16.4 (1.79) | 16.5 | 0.88 (0.75–0.94) |
| Stiffness (N/m) | 345.1 (84.94) | 341.4 (78.72) | 343.3 | 0.92 (0.84–0.96) | ||
| L2 | Frequency (Hz) | 16.0 (1.93) | 16.0 (1.74) | 16 | 0.88 (0.76–0.94) | |
| Stiffness (N/m) | 332.7 (91.05) | 325.3 (83.55) | 329 | 0.90 (0.79–0.95) | ||
| L3 | Frequency (Hz) | 15.6 (1.77) | 15.5 (1.82) | 15.6 | 0.94 (0.87–0.97) | |
| Stiffness (N/m) | 311.8 (87.61) | 302.5 (87.51) | 307.2 | 0.93 (0.85–0.97) | ||
| L4 | Frequency (Hz) | 15.8 (1.98)2 | 15.1 (2.07) | 15.5 | 0.96 (0.92–0.98) | |
| Stiffness (N/m) | 285.2 (86.61) | 276.3 (86.00) | 280.9 | 0.95 (0.90–0.99) | ||
| L5 | Frequency (Hz) | 14.8 (2.26) | 14.6 (2.32) | 14.7 | 0.96 (0.91–0.98) | |
| Stiffness (N/m) | 257.6 (93.45) | 247.7 (95.39) | 252.7 | 0.95 (0.89–0.98) | ||
| Right Side | L1 | Frequency (Hz) | 16.3 (1.77) | 16.7 (1.95) | 16.5 | 0.81 (0.59–0.91) |
| Stiffness (N/m) | 343.9 (68.81) | 349.5 (73.51) | 346.7 | 0.90 (0.79–0.95) | ||
| L2 | Frequency (Hz) | 16.1 (1.57) | 16.5 (1.78) | 16.3 | 0.85 (0.68–0.98) | |
| Stiffness(N/m) | 332.0 (71.28) | 339.1 (76.28) | 335.6 | 0.86 (0.71–0.94) | ||
| L3 | Frequency (Hz) | 15.6 (1.68) | 16.0 (1.86) | 15.8 | 0.93 (0.85–0.97) | |
| Stiffness (N/m) | 307.8 (81.10) | 319.4 (83.69) | 313.6 | 0.94 (0.87–0.97) | ||
| L4 | Frequency (Hz) | 15.2 (2.00) | 15.3 (2.06) | 15.3 | 0.96 (0.92–0.98) | |
| Stiffness (N/m) | 287.9 (86.97) | 291.5 (86.02) | 289.7 | 0.95 (0.90–0.98) | ||
| L5 | Frequency (Hz) | 14.8 (261.70) | 14.8 (2.28) | 14.8 | 0.96 (0.91–0.98) | |
| Stiffness (N/m) | 261.7 (94.51) | 261.4 (92.08) | 261.6 | 0.96 (0.91–0.99) | ||