Fig. 4From: Measurement of scoliosis Cobb angle by end vertebra tilt angle methoda Scatter diagram of Cobb angles measured by the three methods; X-axis represents the case numbers of the Cobb angle; Y-axis represents the Cobb angle. b Error scatter diagram of Cobb angles measured by the tilt angle method and the classical method; X-axis represents the case numbers of the Cobb angle; Y-axis represents the error rangeBack to article page