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Table 1 Patients demographic data and results

From: Quantitative MRI comparison of multifidus muscle degeneration in thoracolumbar fractures treated with open and minimally invasive approach

  All n = 14 Open n = 8 MIS n = 6 p-value
Age [years] 44.3 (±17.1) 46.5 (16.3) 41.3 (±17.6) 0.616
Sex m:f 8:6 5:3 3:3 0.67
BMI 26.9 (±2.3) 27.1 (±2.1) 26.7 (±2.6) 0.75
Smoker 10 5 5  
Follow up Time [years] 5.9 (±1.8) 6.2 (±2.1) 5.43 (±1.1) 0.438
Amount of FD[%] 13.3 (±6.0) 12.6 (±6.8) 14.22 (±5.9) 0.642
Oswestry [%] 8 (±1) 6 (±1) 12 (±1) 0.134
SF 36 84 (±10.7) 86.3 (±8.7) 81 (±12.5) 0.51
VAS 1 (±1.2) 0.95 (±1.3) 1 (±1.1) 0.9
Blood loss [ml] 254 (±46) 110 (±23) 350 (±96) 0.0007
Operation Time [min] 98 (±14) 102 (±17) 97 (±12) 0.82