Table 5 Comparison among groups of different T1S and C7-SVA
Low T1S, low SVA (21) | High T1S, low SVA (16) | Low T1S high SVA (8) | High T1S high SVA (11) | P value | |
|---|---|---|---|---|---|
Age (years) | 59.95 ± 11.99 | 60.31 ± 10.45 | 65.50 ± 11.70 | 67.39 ± 11.60 | 0.222 |
Sex (male/female) | 10/11 | 9/7 | 5/3 | 5/6 | 0.832 |
PI (°) | 47.53 ± 8.02 | 46.45 ± 7.97 | 46.26 ± 12.94 | 43.72 ± 13.66 | 0.790 |
SS (°) | 29.01 ± 13.64 | 30.73 ± 7.600 | 19.00 ± 10.16 | 7.73 ± 3.10 | < 0.001 |
PT (°) | 16.00 (10.50, 28.10) | 15.90 (11.80, 20.15) | 23.90 (20.90, 33.00) | 29.80 (23.80, 55.00) | < 0.001 |
LL (°) | 39.30 ± 11.07 | 40.35 ± 9.73 | 21.60 ± 10.58 | 24.98 ± 4.76 | < 0.001 |
TK (°) | 33.19 ± 9.68 | 40.73 ± 13.55 | 35.18 ± 11.07 | 33.43 ± 11.90 | 0.226 |
T1S (°) | 20.77 ± 4.43 | 32.36 ± 2.83 | 25.38 ± 3.37 | 31.30 ± 4.12 | < 0.001 |
CL (°) | 12.88 ± 11.86 | 20.36 ± 11.00 | 21.18 ± 6.98 | 17.64 ± 5.63 | 0.083 |
C7-SVA (cm) | 1.14 ± 3.29 | 2.52 ± 2.00 | 7.05 ± 1.20 | 7.61 ± 1.90 | < 0.001 |
C2–7 SVA (cm) | 2.24 ± 1.00 | 1.79 ± 1.12 | 1.78 ± 1.30 | 2.10 ± 1.02 | 0.718 |
Cervical lordosis change (°) | 5.54 ± 4.70 | − 1.12 ± 8.07 | − 4.56 ± 16.33 | − 20.96 ± 9.15 | < 0.001 |
JOA recovery rate (%) | 62.06 ± 24.88 | 55.46 ± 33.05 | 36.62 ± 28.91 | 33.02 ± 19.12 | 0.018 |
Post-surgery NDI (%) | 7.01 ± 7.29 | 12.92 ± 9.12 | 21.26 ± 5.01 | 35.09 ± 10.00 | < 0.001 |