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Table 1 Demographic and radiographic parameters

From: Sacral incidence to pubis: a novel and alternative morphologic radiological parameter to pelvic incidence in assessing spinopelvic sagittal alignment

  Mean Range (min/max) SD SE IQ 25 %/75 %
Age (years) 38.9 20/70 11.0 1.1 31.0/45.0
Weight (kg) 55.6 38/83 9.0 0.9 49.0/62.0
Height (cm) 161.8 146/180 7.8 0.8 156.0/167.8
BMI (kg/m2) 21.1 14.5/27.2 2.4 0.2 19.6/22.8
PI (°) 51.0 30.9/79.5 10.5 1.1 42.8/59.1
SIP (°) 67.3 47.0/102.2 11.2 1.1 59.0/74.5
SS (°) 40.4 15.3/61.5 8.6 0.9 35.7/46.8
PT (°) 10.7 –7.0/35.5 7.5 0.8 5.5/15.0
PIA (°) 26.9 10.7/52.0 7.8 0.8 21.4/32.2
LL (°) 53.3 24.8/77.7 11.1 1.1 47.1/60.3
  1. SD standard deviation, SE standard error, IQ interquartile, BMI body mass index, PI pelvic incidence, SIP sacral incidence to pubis, SS sacral slope, PT pelvic tilt, PIA pelvic inclination angle, LL lumbar lordosis