Summary of age, mJOA-BR17 total score, and VAS.
| Variables | Total | Control Group | CSM Group | P Value |
| Age, y | 0.120 | |||
| Mean (SD) | 59.74 (11.62) | 62.45 (11.42) | 56.90 (11.41) | |
| Median (IIQ) | 61.00 (52.00; 68.00) | 62.00 (56.50; 69.25) | 57.00 (48.00; 62.00) | |
| Minimum–maximum (n) | 35.00–86.00 (43) | 36.00–86.00 (22) | 35.00–79.00 (21) | |
| VAS | <0.001 | |||
| Mean (SD) | 1.82 (2.91) | 0.00 (0.00) | 4.73 (2.87) | |
| Median (IIQ) | 0.00 (0.00; 4.50) | 0.00 (0.00; 0.00) | 5.00 (3.00; 6.50) | |
| Minimum–maximum (n) | 0.00–9.00 (39) | 0.00–0.00 (24) | 0.00–9.00 (15) | |
| mJOA-BR17 total score | <0.001 | |||
| Mean (SD) | 15.37 (2.47) | 16.68 (0.59) | 14.14 (2.92) | |
| Median (IIQ) | 16.00 (15.00; 17.00) | 17.00 (16.25; 17.00) | 15.00 (13.00; 16.25) | |
| Minimum–maximum (n) | 7.00–17.00 (70) | 15.00–17.00 (34) | 7.00–17.00 (36) | |
| mJOA-BR17 – motor dysfunction upper extremity | 0.007 | |||
| Mean (SD) | 3.71 (0.68) | 3.94 (0.24) | 3.50 (0.88) | |
| Median (IIQ) | 4.00 (4.00; 4.00) | 4.00 (4.00; 4.00) | 4.00 (3.00; 4.00) | |
| Minimum–maximum (n) | 1.00–4.00 (70) | 3.00–4.00 (34) | 1.00–4.00 (36) | |
| mJOA-BR17 – motor dysfunction lower extremity | <0.001 | |||
| Mean (SD) | 3.57 (0.83) | 3.91 (0.29) | 3.25 (1.02) | |
| Median (IIQ) | 4.00 (3.25; 4.00) | 4.00 (4.00; 4.00) | 4.00 (2.00; 4.00) | |
| Minimum–maximum (n) | 0.00–4.00 (70) | 3.00–4.00 (34) | 0.00–4.00 (36) | |
| mJOA-BR17 – sensory deficit upper extremity | <0.001 | |||
| Mean (SD) | 1.50 (0.72) | 1.85 (0.36) | 1.17 (0.81) | |
| Median (IIQ) | 2.00 (1.00; 2.00) | 2.00 (2.00; 2.00) | 1.00 (0.75; 2.00) | |
| Minimum–maximum (n) | 0.00–2.00 (70) | 1.00–2.00 (34) | 0.00–2.00 (36) | |
| mJOA-BR17 – sensory deficit lower extremity | <0.001 | |||
| Mean (SD) | 1.80 (0.50) | 2.00 (0.00) | 1.61 (0.64) | |
| Median (IIQ) | 2.00 (2.00; 2.00) | 2.00 (2.00; 2.00) | 2.00 (1.00; 2.00) | |
| Minimum–maximum (n) | 0.00–2.00 (70) | 2.00–2.00 (34) | 0.00–2.00 (36) | |
| mJOA-BR17 – sensory deficit trunk | 0.173 | |||
| Mean (SD) | 1.96 (0.27) | 2.00 (0.00) | 1.92 (0.37) | |
| Median (IIQ) | 2.00 (2.00; 2.00) | 2.00 (2.00; 2.00) | 2.00 (2.00; 2.00) | |
| Minimum–maximum (n) | 0.00–2.00 (70) | 2.00–2.00 (34) | 0.00–2.00 (36) | |
| mJOA-BR17 – sphincter dysfunction | 0.005 | |||
| Mean (SD) | 2.83 (0.42) | 2.97 (0.17) | 2.69 (0.52) | |
| Median (IIQ) | 3.00 (3.00; 3.00) | 3.00 (3.00; 3.00) | 3.00 (2.00; 3.00) | |
| Minimum–maximum (n) | 1.00–3.00 (70) | 2.00–3.00 (34) | 1.00–3.00 (36) |
Abbreviations: CSM, cervical spondylotic myelopathy; IIQ, interquantile range; mJOA-BR17, 17-point Brazilian Portuguese translated version of the modified Japanese Orthopedic Association score; VAS, visual analog scale.