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Disc height (mm) of the two groups
| Preoperative | Postoperative | |
|---|---|---|
| Group A | 21.91 ± 3.75 | 45.43 ± 3.51 |
| Group B | 21.50 ± 4.77 | 43.29 ± 3.62 |
| p-value | NS | NS |
Abbreviation: NS not significant
Data presented as mean ± SD. P value was compared by Student’s t-test. Significant differences existed between pre- and postoperative disc height in both groups (P < 0.05); no significant difference existed between the two groups (p > 0.05)
