Table 3. Concurrent diagnoses for CM-1 patients, spinal decompression cohort, and non-spinal decompression cohort.
| Concurrent diagnosis | CM-1 patients (N=5,438) | Spinal decompression (N=3,596) | Non-spinal decompression (N=941) | P value |
|---|---|---|---|---|
| Depression, n (%) | 117 (2.2) | 76 (2.2) | 41 (4.4) | 0.768 |
| Anxiety, n (%) | 100 (1.8) | 69 (1.9) | 31 (3.3) | 0.595 |
| Scoliosis, n (%) | 628 (11.5) | 457 (12.7) | 171 (18.2) | 0.024* |
| Klippel-Feil, n (%) | 17 (0.3) | 11 (0.31) | 6 (0.64) | 0.901 |
| Spina bifida, n (%) | 11 (0.2) | 9 (0.25) | 2 (0.21) | 0.353 |
| Torticollis, n (%) | 28 (0.5) | 19 (5.3) | 9 (0.96) | 0.846 |
| Functional digestive disorders, n (%) | 301 (5.5) | 209 (5.8) | 92 (9.8) | 0.234 |
| Tethered cord, n (%) | 118 (2.2) | 85 (2.4) | 33 (3.5) | 0.201 |
| Hydrocephalus, n (%) | 319 (5.9) | 189 (5.3) | 130 (13.8) | 0.009* |
| Syringomyelia, n (%) | 1,295 (23.8) | 991 (27.6) | 304 (32.3) | <0.001* |
*, significance of P<0.05. CM-1, Chiari malformations type 1.