Table 4. Health-related quality of life following single-level and multilevel C-ADR.*.
| Study/follow-up | SF-36 PCS Mean score (% change from preop) | SF-36 MCS Mean score (% change from preop) | ||||
|---|---|---|---|---|---|---|
| Single | Multi | P | Single | Multi | P | |
| Preop | ||||||
| Goffin et al 3 (2010)† | 36.1 | 37.4 | NS | 40.1 | 35.5 | NS |
| Huppert et al 5 (2011) | 36.6 | 36.6 | NS | 35.3 | 34.3 | NS |
| 1 year | ||||||
| Goffin et al 3 (2010)† | 46.9 (29.9) | 47.0 (25.7) | NR | 50.0 (24.7) | 46.1 (29.9) | NR |
| Huppert et al 5 (2011) | 47.2 (29.0) | 45.7 (24.9) | NR | 45.9 (30.0) | 44.0 (28.3) | NR |
| 2 years | ||||||
| Goffin et al 3 (2010)‡ | 45 (24.7) | 49 (31.0) | NR | 51 (27.2) | 53 (49.3) | NR |
| Huppert et al 5 (2011) | 46.7 (27.6) | 43.9 (19.9) | NS | 46.0 (30.3) | 45.6 (32.9) | NS |
| 4 years | ||||||
| Goffin et al 3 (2010)‡ | 47 (30.2) | 52 (39.0) | NR | 52 (29.7) | 52 (46.5) | NR |
| 6 years | ||||||
| Goffin et al 3 (2010)‡ | 47 (30.2) | 51 (36.4) | NR | 52 (29.7) | 47 (32.4) | NR |
*
C-ADR indicates cervical artificial disc replacement; SF-36, Short-Form 36; PCS, Physical Component Score; MCS, Mental Component Score; preop, preoperative; NS, not statistically significant; and NR, not reported.
†
Preoperative and 1 year scores were taken from Goffin et al3 which reported short-term follow-up outcomes for the same population.
‡
Means estimated from figures provided in the article.