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. 2020 Mar 16;21:172. doi: 10.1186/s12891-020-03196-3

Table 1.

Comparison of the baseline and postoperative data

Group A Group B P value
No. of patients (n) 30 30
Male/female (n) 21/9 16/14
Mean age (years) 46.23 ± 17.20 45.78 ± 19.10 0.912
Hospital stay (days) 17.31 ± 4.23 18.50 ± 2.88 0.874
Surgery time (minutes) 195.08 ± 24.07 190.30 ± 26.15 0.780
Blood loss (ml) 280.77 ± 189.90 300.77 ± 150.60 0.437
Drainage (ml) 436.92 ± 193.81 402.92 ± 169.21 0.356
Mean fusion time (months) 5.85 ± 1.82 8.4 ± 5.1 0.012
Follow-up (months) 50.20 ± 25.10 48.70 ± 27.30 0.650