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Table 1 Patient and surgical characteristics and outcomes of the two groups

From: The efficacy of local continuous chemotherapy and postural drainage in combination with one-stage posterior surgery for the treatment of lumbar spinal tuberculosis

Characteristic Group A (n = 52) Group B (n = 57)
Sex (male) 30 (57.7 %) 36 (63.2 %)
Age at initial operation (years) 49.9 ± 15.9 (20–71) 50.5 ± 16.1 (21–73)
Operation time (min) 215.5 ± 35.0 (146–276) 222.6 ± 39 (157–279)
Intraoperative bleeding (ml) 520.1 ± 59 (250–1000) 522.3 ± 54 (253–1000)
Time to abscess disappearance (postoperative months)* 7.4 ± 0.7 (6–12) 5.4 ± 0.6 (5–10)
Time to bone fusion (postoperative months)* 8.9 ± 0.6 (6–12) 6.4 ± 0.5 (5–10)
  1. Data are presented as n (%) or mean ± standard deviation (range)
  2. * P < 0.05