Asian Spine J > Volume 16(4); 2022 > Article |
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Conflict of Interest
No potential conflict of interest relevant to this article was reported.
Author Contributions
The idea for the article: TB, VM, AS; the literature searches: MK, MS, TB; data extraction: TB, VM, MK; writing–original draft preparation: TB, VM, AS, MK, MS; and critically revised the work: TB, VM, AS, MK, MS, JPN, JAC.
Authors (yr) | Design | No. of patients | Age (yr) at initiation of bracing (mean) | Risser sign | Initial curve magnitude | Curve type (no.) | Type of brace | In-brace correction (%) | Brace treatment length (mo) | Months of follow-up (mean) | Definition treatment failure | Definition treatment success |
---|---|---|---|---|---|---|---|---|---|---|---|---|
D’Amato et al. [8] (2001) | Prospective | 102 | 10–16.6 (13.1) | 0–2 | 20–42 | Thoracic (24); lumbar (18); thoracolumbar (14); double (46) | Providence | Thoracic (94); lumbar (103); thoracolumbar (111); double major (90) | ≥24 | 25–81 (30) | Progression ≥6° or spinal fusion | Progression ≤5° |
Davis et al. [33] (2019) | Retrospective | 56 | 10–18 (12.26) | 0–2 | 25–40 | Thoracic (21); lumbar/thoracolumbar (23); double (12) | Providence | 88.3 | >24 | 24.1 | Progression beyond 45° or spinal fusion | Progression <5° |
Bohl et al. [37] (2014) | Retrospective | 34 | 10–15 | 0–2 | 20–40 | Thoracic (17); lumbar/thoracolumbar (9); double (8) | Providence | 90 | 12 | >12 | Progression >5°, beyond 45° or spinal fusion | NP |
Ohrt-Nissen et al. [35] (2016) | Retrospective | 63 | 10–16 (13.3) | 0–2 | 25–40 | Thoracic (37); lumbar (5); thoracolumbar (12); double (9) | Providence | 95 | ≥24 | 24 | Progression ≥6°, ≥45° or spinal fusion | Progression ≤5° |
Ohrt-Nissen et al. [51] (2019) | Retrospective | 40 | 12.1–13.5 (12.6) | 0–2 | 25–40 | Thoracic (40) | Providence | 68 | >24 | 25 | Progression ≥45° or spinal fusion | Progression ≤5° |
Lee et al. [38] (2012) | Retrospective | 95 | 10.3–16.5 (13.3) | 0–2 | 25–40 | Thoracic (37); lumbar (5); thoracolumbar (12); double (9) | Charleston | NP | 32.8 | 24–130 (46) | Progression ≥6°, ≥45° or spinal fusion | NP |
Katz et al. [34] (1997) | Retrospective | 166 | 10.1–16.6 (12.9) | 0–2 | 25–45 | Double major-primary thoracic (34); double major-primary thoracolumbar or lumbar (9); single thoracic (25); single thoracolumbar or lumbar (29); all others (57) | Providence | 83 | 25.2 | 4–51 (17) | Progression >5° or spinal fusion | Progression <5° |
Simony et al. [39] (2019) | Prospective | 80 | 13.36 | NP | 20–45 | NP | Providence | 100 | 10–36 (18) | 12 | Curve progression ≥5° or spinal fusion | No progression or a slight reduction of the curve |
Trivedi et al. [41] (2001) | Retrospective | 42 | 10–15.1 (12.5) | 0–1 | 25–40 (30.3) | Thoracic (17); lumbar (3); thoracolumbar (22) | Charleston | 114 | Successful group:13–139 (40); unsuccessful group: 6–86 (36) | NP | Curve progression >5° or necessary to change to full-time bracing | Progression <5° |
Included studies | Items of quality assessmenta) | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
A | B | C | D | E | F | G | H | I | J | K | L | M | Total score | Quality | |
Bohl et al. [37] (2014) | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 7 | Low |
D’Amato et al. [8] (2001) | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 9 | High |
Ohrt-Nissen et al. [35] (2016) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 10 | High |
Ohrt-Nissen et al. [51] (2019) | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 9 | High |
Katz et al. [34] (197) | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 10 | High |
Lee et al. [38] (2012) | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 8 | Low |
Simony et al. [39] (2019) | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 8 | Low |
Trivedi et al. [41] (2001) | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 8 | Low |
Davis et al. [33] (2019) | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 9 | High |
a) The items are shown in Table 2.
Variable | Study | Study quality | Assessment approach | Significance level | Association with treatment success | Level of evidence for treatment success | Association with treatment failure | Level of evidence for treatment failure |
---|---|---|---|---|---|---|---|---|
Initial curve magnitude | D’Amato et al. [8] (2001) | High | Radiography | NP | - | Conflicting | NE | Conflicting |
Bohl et al. [37] (2014) | Low | Radiography | p=0.31 | NE | NR | |||
Ohrt-Nissen et al. [35] (2016) | High | Radiography | p>0.43; OR, 0.99 | NR | NR | |||
Ohrt-Nissen et al. [51] (2019) | High | Radiography | p=0.024; OR, 0.61 | NE | + | |||
Katz et al. [34] (1997) | High | Radiography | NP | - | + | |||
Davis et al. [33] (2019) | High | Radiography | p=0.09 | - | + | |||
Lee et al. [38] (2012) | Low | Radiography | p=0.64 | NR | NE | |||
Simony et al. [39] (2019) | Low | Radiography | p<0.001 | NR | + | |||
Trivedi et al. [41] (2001) | Low | Radiography | p=0.23 | NR | NE | |||
Curve type | Lee et al. [38] (2012) | Low | Radiography | p=0.79 | NR | Inconclusive | NE | Conflicting |
Trivedi et al. [41] (2001) | Low | Radiography | p=0.13 | NR | NE | |||
Ohrt-Nissen et al. [35] (2016) | High | Radiography | p=0.005 | NE | + | |||
Katz et al. [34] (1997) | High | Radiography | NP | + | + | |||
Davis et al. [33] (2019) | High | Radiography | p=0.07 | NE | NR | |||
Bohl et al. [37] (2014) | Low | Radiography | p=0.45 | NE | NR | |||
In-brace correction | D’Amato et al. [8] (2001) | High | Radiography | p=0.01 | + | Conflicting | NE | Conflicting |
Ohrt-Nissen et al. [35] (2016) | High | Radiography | p=0.009 | + | NE | |||
Davis et al. [33] (2019) | High | Radiography | p=0.19 | NR | NR | |||
Katz et al. [34] (1997) | High | Radiography | p=0.0001 | + | - | |||
Simony et al. [39] (2019) | Low | Radiography | NP | + | - | |||
Trivedi et al. [41] (2001) | Low | Radiography | p=0.60 | NR | NR | |||
Curve flexibility | D’Amato et al. [8] (2001) | High | Radiography | p=0.01 | + | Strong | NE | No association: limited |
Ohrt-Nissen et al. [35] (2016) | High | Radiography | p=0.013; OR, 0.95 | + | NR | |||
Age | D’Amato et al. [8] (2001) | High | Continues | NP | + | Conflicting | NE | Conflicting |
Ohrt-Nissen et al. [35] (2016) | High | Continues | p>0.4; OR, 0.80 | NR | + | |||
Ohrt-Nissen et al. [51] (2019) | High | Continues | p=0.38; OR, 0.84 | NE | NR | |||
Bohl et al. [37] (2014) | Low | Categorized | p=0.25 | NE | NR | |||
Risser sign | D’Amato et al. [8] (2001) | High | Radiography | p=0.05 | + | Strong | NE | Strong |
Lee et al. [38] (2012) | Low | Radiography | p=0.29 | NR | NE | |||
Katz et al. [34] (1997) | High | Radiography | NP | + | - | |||
Davis et al. [33] (2019) | High | Radiography | p=0.01 | + | - | |||
Bohl et al. [37] (2014) | Low | Radiography | p=0.10 | NE | NR | |||
Premenarchal status | Ohrt-Nissen et al. [35] (2016) | High | Pre/post menarche | p=0.002 | NE | - | + | Moderate |
Compliance | Bohl et al. [37] (2014) | Low | Self-reported | p=0.04 | NE | - | - | Inconclusive |
Curve apex | D’Amato et al. [8] (2001) | High | Radiography | p=0.03 | + | Conflicting | NE | Conflicting |
Davis et al. [33] (2019) | High | Radiography | p=0.01 (for association with treatment success); p=0.004 (for association with treatment failure) | + (for T10–L3) | + (for T6–T9) | |||
Bohl et al. [37] (2014) | Low | Radiography | p=0.16 | NE | NR | |||
Lee et al. [38] (2012) | Low | Radiography | p=0.11 | NR | NE | |||
Sex | Bohl et al. [37] (2014) | Low | Male-female | p=0.01 | NE | Conflicting | + | Conflicting |
Davis et al. [33] (2019) | High | Male-female | p=0.17 | NR | NR |
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