Figure 4From: Hand-held dynamometry in patients with haematological malignancies: Measurement error in the clinical assessment of knee extension strength Distribution from Bland and Altman; single MVPT values for intra-observer measurements. Six data points are outside the ± 1.96 standard deviation boundaries. The ± 1.96 standard deviation boundaries represent approximately 17.77 Nm below and 11.87 Nm above the mean, which is -2.95 Nm.Back to article page