25 August 2025 : Clinical Research
Effect of Long-Term Smoking on Cervical Disc Degeneration: A Retrospective Study
Murat KirazDOI: 10.12659/MSM.949466
Med Sci Monit 2025; 31:e949466
Table 3 Disc degeneration by smoking groups.
| n | Mean | Std. deviation | P | Post hoc P | ||
|---|---|---|---|---|---|---|
| C4–5 | None | 119 | 3.74 | 1.586 | ** | |
| 1–10 years | 93 | 4.44 | 2.124 | * | ** | |
| >10 years | 81 | 4.94 | 1.983 | 2–3: 0.250** | ||
| C5–6 | None | 119 | 3.89 | 1.661 | *** | |
| 1–10 years | 93 | 4.96 | 1.916 | * | *** | |
| >10 years | 81 | 5.05 | 1.580 | 2–3: 0.934*** | ||
| C6–7 | None | 119 | 3.75 | 1.673 | *** | |
| 1–10 years | 93 | 4.75 | 1.786 | * | *** | |
| >10 years | 81 | 4.72 | 1.614 | 2–3: 0.989*** | ||
| * One-way ANOVA; ** Games-Howell post hoc tests; *** Tukey post hoc tests | ||||||






