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Table 2 Summary of surgical and follow-up data

From: Return to work in patients with lumbar disc herniation undergoing fusion

Operative time, minutes, mean (SD) 75.54 (37.21) 172.53 (77.09) <0.001
Estimated blood loss, mL, mean (SD) 49.82 (85.03) 249.44 (255.85) <0.001
Back pain, mean (SD) <0.001
 3 months 2.40 (2.51) 3.44 (2.53)
 12 months 2.57 (2.68) 3.33 (2.79)
Leg pain, mean (SD) <0.001
 3 months 2.02 (2.63) 2.48 (2.86)
 12 months 2.12 (2.79) 2.78 (3.00)
EuroQOL-5D, Mean (SD) <0.001
 3 months 0.82 (0.18) 0.76 (0.20)
 12 months 0.83 (0.20) 0.77 (0.21)
Oswestry Disability Index, Mean (SD) 0.004
 3 months 18.73 (17.96) 26.54 (18.59)
 12 months 17.21 (18.65) 23.28 (19.52)
Return to work, N (%)
 3 months 3864 (85%) 330 (66%) <0.001
 12 months 4231 (93%) 410 (82%) <0.001