Table 1.
Surgical operations for spinal degenerative diseases, by patients’ sex and age
| Category | CDD n (%) | LDD n (%) | TDD n (%) | |
|---|---|---|---|---|
| Sex | Female | 6,724 (17.74) | 9,313 (24.57) | 448 (1.18) |
| Male | 12,073 (31.86) | 8,806 (23.24) | 533 (1.41) | |
| Chi-squared test, P-value <0.01 | ||||
| Age category | 19–40 | 3,511 (9.26) | 3,447 (9.10) | 120 (0.32) |
| 41–65 | 12,407 (32.74) | 11,888 (31.37) | 733 (1.93) | |
| 66+ | 2,879 (7.60) | 2,784 (7.35) | 128 (0.34) | |
| Chi-squared test, P-value <0.01 | ||||
| Total | SDD | 18,797 (49.60) | 18,119 (47.81) | 981 (2.59) |
Abbreviations: CDD, cervical degenerative diseases; LDD, lumbar degenerative diseases; SDD, spinal degenerative disease; TDD, thoracic degenerative diseases.