Table 4:
Proportions of falls and average number of falls per participant in the Fall-Type Classification Framework
| Fall-Type Classification Framework Category |
Participants who fell (n=30) |
Proportion of participants who fell (n = 69) |
Number of falls (n=41) |
Number of falls per participant (n = 69) |
||
|---|---|---|---|---|---|---|
| Number, (%) | Estimated Proportion, % (SE) |
95% CI | Number, (%) |
Estimated Count, n (SE) |
95% CI | |
| TIER 1: Location of destabilizing Force | ||||||
| Center of Mass | 14 (46.7%) | 20.3% (4.84) | (10.8, 29.8) | 16 (39.0%) | 0.23 (0.05) | (0.13, 0.33) |
| Other | 13 (43.3%) | 18.8% (4.71) | (9.6, 28.1) | 13 (31.7%) | 0.19 (0.05) | (0.10, 0.28) |
| Base of Support | 8 (26.7%) | 11.6% (3.85) | (4.0, 19.1) | 12 (29.3%) | 0.17 (0.05) | (0.08, 0.26) |
| TIER 2: Source of Destabilizing Force | ||||||
| Intrinsic | 18 (60.0%) | 26.1% (5.29) | (15.7, 36.4) | 22 (53.7%) | 0.32 (0.06) | (0.21, 0.43) |
| Extrinsic | 13 (43.3%) | 18.8% (4.71) | (9.6, 28.1) | 19 (46.3%) | 0.28 (0.05) | (0.17, 0.38) |
| TIER 3: Fall Pattern | ||||||
| Inadequate Weight Shift | 12 (40.0%) | 17.4% (4.56) | (8.4, 26.3) | 14 (34.1%) | 0.20 (0.05) | (0.11, 0.30) |
| Trip | 5 (16.7%) | 7.2% (3.12) | (1.1, 13.4) | 8 (19.6%) | 0.12 (0.04) | (0.04, 0.19) |
| Prosthetic Factors | 6 (20.0%) | 8.70% (3.39) | (2.1, 15.3) | 6 (14.6%) | 0.09 (0.03) | (0.02, 0.15) |
| Slip | 4 (13.3%) | 5.80% (2.81) | (2.8, 11.3) | 4 (9.8%) | 0.06 (0.03) | (0, 0.11) |
| Loss of External Support | 5 (16.7%) | 7.2% (3.12) | (1.1, 13.4) | 5 (12.2%) | 0.07 (0.03) | (0.01, 0.13) |
| Push, Pull, or Collision | 2 (6.7%) | 2.90% (4.00) | (0, 6.8) | 2 (4.9%) | 0.03 (0.02) | (0, 0.07) |
| Physiologic Factors | 2 (6.7%) | 2.90% (4.00) | (0, 6.8) | 2 (4.9%) | 0.03 (0.02) | (0, 0.07) |
| Inadequate Base of Support | 0 | 0 | 0 | 0 | 0 | 0 |
SE = standard error
CI = confidence interval