Table 3.
Percentage of Individuals from Different Databases with Complete Tetraplegia Who Converted to Neurological Incomplete Status during the First Post-Injury Year
| Authors/year | Initial exam | Follow-up exam | Sample size (N) | Overall conversion (%) | AIS A to B (%) | AIS A to C (%) | AIS A to D (%) |
|---|---|---|---|---|---|---|---|
| 39Marino et al. 2011a | ≤7 d | 1 y | 336 | 29.8 | 14.6 | 8.0 | 7.1 |
| 40Steeves et al. 2011 (C4–C7 only) | |||||||
| Sygenb | ≤72 h | 1 y | 228 | 30.2 | NR | NR | NR |
| EMSCIc | ≤7 d | 50 w | 77 | 32.9 | NR | NR | NR |
| 21Kirshblum et al. 2016a | ≤30 d | 1 y | 72 | 34.7 | 15.3 | 13.9 | 5.5 |
| 51Evaniew et al. 2020d | ≤48 h (mean 11.8 ± 9.8 h) | Mean 208 + 75.2 d | 85 | 52 | 26 | 18 | 8 |
| ≤4 h | 14 | 78.6 | 28.6 | 42.9 | 7.1 | ||
| >4 h to 48 h | 71 | 46.5 | 25.4 | 12.7 | 8.5 |
AIS, American Spinal Injury Association Impairment Scale; NR, not reported.
a
Spinal Cord Injury Model Systems database.
b
Sygen database
c
European Multicenter Study about Spinal Cord Injury database.
d
Rick Hansen Spinal Cord Injury Registry database.