Mismatch group (N = 21) | Match group (N = 79) | P value | ||
---|---|---|---|---|
Age, y, mean ± SD | 70.7 ± 7.18 | 65.9 ± 10.6 | 0.55 | |
Follow up period, mo, mean ± SD | 27.1 ± 19.9 | 32.5 ± 21.3 | 0.23 | |
Sex ( male/female), n | 16/5 | 51/28 | 0.32 | |
C2-C7 angle (degrees) | Preop | 8.52 ± 7.92 | 17.8 ± 11.8 | < 0.01 |
Postop | ‐0.12 ± 11.2 | 18.8 ± 11.1 | < 0.01 | |
T1 slope angle (degrees) | Preop | 26.1 ± 8.99 | 24.4 ± 8.15 | 0.45 |
Postop | 29.6 ± 10.9 | 25.3 ± 8.67 | 0.11 | |
T1S-C27 angle (degrees) | Preop | 17.6 ± 8.27 | 6.63 ± 8.45 | < 0.01 |
Postop | 29.7 ± 8.21 | 6.49 ± 7.76 | < 0.01 | |
C2-C7SVA (mm) | Preop | 32.7 ± 13.4 | 22.9 ± 13.5 | < 0.01 |
Postop | 45.6 ± 17.5 | 23.4 ± 13.7 | < 0.01 | |
NRS (Neck pain) | Preop | 3.62 ± 3.04 | 3.20 ± 3.12 | 0.59 |
Postop | 3.29 ± 2.83 | 2.53 ± 2.56 | 0.25 | |
PCS | Preop | 20.4 ± 18.4 | 26.1 ± 17.9 | 0.21 |
Postop | 34.5 ± 10.9 | 33.7 ± 19.5 | 0.86 | |
NDI | Preop | 40.4 ± 20.9 | 36.8 ± 16.5 | 0.41 |
Postop | 33.0 ± 15.8 | 24.8 ± 15.6 | 0.04 | |
EQ5D | Preop | 0.49 ± 0.22 | 0.59 ± 0.19 | 0.04 |
Postop | 0.61 ± 0.14 | 0.71 ± 0.19 | 0.02 | |
JOA score | Preop | 9.95 ± 2.89 | 10.9 ± 2.03 | 0.07 |
Postop | 13.2 ± 2.59 | 14.1 ± 2.10 | 0.09 | |
JOARR | 44.9 ± 31.8 | 49.9 ± 32.2 | 0.55 |