Table 1 Demographic and operative data, Group 1 versus Group 2
Patients’ characters | Group 1 (n = 19) | Group 2 (n = 15) | P value |
|---|---|---|---|
Sex (boys/girls) | 13/6 | 11/4 | 1.000 |
Age, month | 42.26 ± 9.94 (26–58) | 92.47 ± 20.37 (61–119) | 0.000 |
BMI | 15.82 ± 1.09 (13.89–18.08) | 16.86 ± 3.95 (11.36–27.55) | 0.277 |
follow-up time, month | 45.11 ± 18.12 (24–80) | 57.67 ± 24.03 (24–100) | 0.092 |
The side of HB (right/left) | 9/10 | 7/8 | 1.000 |
Operative time, min | 163.42 ± 39.48 (75–242) | 167.73 ± 34.58 (120–245) | 0.741 |
Intraoperative blood loss, ml | 260.00 ± 174.93 (50–600) | 496.67 ± 393.91 (100–1600) | 0.025 |
Blood loss rate, % | 23.78 ± 17.59 (4.17–72.73) | 26.35 ± 16.41 (6.06–53.33) | 0.666 |
Fusion levels, segments | 2.74 ± 1.05 (2–5) | 3.60 ± 1.18 (2–5) | 0.031 |
total main curve, ° | 48.58 ± 14.63 (21–80) | 43.73 ± 10.59 (27–68) | 0.289 |
segmental curve, ° | 44.16 ± 10.58 (21–68) | 43.73 ± 10.59 (27–68) | 0.908 |
Segmental kyphosis, ° | 27.50 ± 16.57 (8–56) 12 | 29.00 ± 11.57 (10–50) 13 | 0.794 |