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Table 4 North American spine society score

From: Modified minimally invasive transforaminal lumbar interbody fusion using a trans-multifidus approach: a safe and effective alternative to open-TLIF

 

Preoperative

6 months

2 years

OPEN-TLIF BDS

3 (2–7)

2 (1–4)

1 (0–3)

MMI-TLIF BDS

3 (2–6)

2 (0–5)

1 (0–3)

OPEN-TLIF NSS

4 (3–6)

2 (1–4)

1 (0–4)

MMI-TLIF NSS

3 (2–5)

2 (0–4)

1 (0–2)

  1. BDS back pain and disability score, NSS neurogenic symptom score, MMI-TLIF modified minimally invasive transforaminal lumbar interbody fusion, Open-TLIF open transforaminal lumbar interbody fusion
  2. P < 0.01 when preoperation compared to 6 month and 2 years, respectively in both MMI-TLIF and open-TLIF groups of BDS and NSS
  3. P > 0.05 when 6 months compared to 2 years in both MMI-TLIF and open-TLIF groups of BDS
  4. P < 0.01 when 6 months compared to 2 years in both MMI-TLIF and open-TLIF groups of NSS
  5. P > 0.05 when OPEN compared to MMI-TLIF in preoperation, 6 months and 2 years of BDS and NSS