Demographics | Allograft (n = 53) | PEEK (n = 35) | p-value |
---|---|---|---|
Male | 27 (50.9) | 19 (54.3) | 0.759 |
Age (years) | 52.4 | 56.0 | |
Median (IQR) | (45.2–62.1) | (48.2–63.2) | 0.188 |
BMI | 25.0 | 25.0 | |
Median (IQR) | (22.7–27.1) | (23.1–28.2) | 0.617 |
Current smoker | 6 (11.5) | 4 (11.8) | 1.000 |
Symptom | 0.335 | ||
Radiculopathy | 20 (37.7) | 8 (22.9) | |
Myelopathy | 20 (37.7) | 17 (48.6) | |
Radiculomyelopathy | 13 (24.5) | 10 (28.6) | |
Level | 0.141 | ||
C3–4/C4–5 | 3 (5.7) | 5 (14.3) | |
C4–5/C5–6 | 14 (26.4) | 12 (34.3) | |
C5–6/C6–7 | 36 (67.9) | 16 (45.7) | |
C3–4/C5–6* | 0 (0.0) | 1 (2.9) | |
C4–5/C6–7* | 0 (0.0) | 1 (2.9) | |
Clinical baseline | |||
NPD | 31.3 ± 20.0 | 39.9 ± 26.8 | 0.111 |
AAOS-NSS | 47.7 ± 25.9 | 49.6 ± 29.8 | 0.746 |
NDI | 30.3 ± 20.6 | 38.9 ± 25.1 | 0.083 |
VASNP | 4.8 ± 3.5 | 4.6 ± 3.4 | 0.751 |
VASLP | 4.1 ± 3.9 | 2.7 ± 3.2 | 0.067 |
JOA | 13.7 ± 1.9 | 11.3 ± 4.3 | 0.008 |
Radiology baseline | |||
Cervical cobb angle | 7.24 ± 11.97 | 10.96 ± 9.80 | 0.130 |
Cephalic level | |||
Mean Disc Height | 3.47 ± 1.07 | 3.97 ± 1.25 | 0.048 |
Segmental height | 31.32 ± 3.66 | 31.57 ± 4.11 | 0.769 |
Segmental Cobb angle | −1.19 ± 5.83 | 2.30 ± 6.66 | 0.011 |
Caudad level | |||
Mean Disc Height | 3.58 ± 1.09 | 3.76 ± 1.74 | 0.575 |
Segmental height | 32.27 ± 3.51 | 31.10 ± 3.41 | 0.125 |
Segmental Cobb angle | 3.41 ± 4.77 | 2.25 ± 6.06 | 0.322 |