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Correction
September 10, 2001

Error in Figures

Arch Intern Med. 2001;161(16):2051-2052. doi:10.1001/archinte.161.16.2051

In the Original Investigation by De Becker et al titled "Exercise Capacity in Chronic Fatigue Syndrome," published in the November 27, 2000, issue of the ARCHIVES (2000;160:3270-3277), incorrect figures were inadvertently submitted for Figures 1, 2, 3, and 4. Figure 1, Figure 2, Figure 3, and Figure 4 are reprinted correctly here.

Figure 1.
Categorized scatterplot of the differences in workload and heart rate at the anaerobic threshold in patients with chronic fatigue syndrome (CFS) and in control female subjects. The diagonal solid line represents 95% confidence interval (regression analysis); diagonal dashed lines, 95% confidence limits (1 SD).

Categorized scatterplot of the differences in workload and heart rate at the anaerobic threshold in patients with chronic fatigue syndrome (CFS) and in control female subjects. The diagonal solid line represents 95% confidence interval (regression analysis); diagonal dashed lines, 95% confidence limits (1 SD).

Figure 2.
Categorized scatterplot of the differences in maximal workload and heart rate at the anaerobic threshold in patients with chronic fatigue syndrome (CFS) and in control female subjects. The diagonal solid line represents 95% confidence interval (regression analysis); diagonal dashed lines, 95% confidence limits (1 SD).

Categorized scatterplot of the differences in maximal workload and heart rate at the anaerobic threshold in patients with chronic fatigue syndrome (CFS) and in control female subjects. The diagonal solid line represents 95% confidence interval (regression analysis); diagonal dashed lines, 95% confidence limits (1 SD).

Figure 3.
Categorized scatterplot of the differences in V. O2max and heart rate at the anaerobic threshold in patients with chronic fatigue syndrome (CFS) and in control female subjects. The diagonal solid line represents 95% confidence interval (regression analysis); diagonal dashed lines, 95% confidence limits (1 SD).

Categorized scatterplot of the differences in V. O2max and heart rate at the anaerobic threshold in patients with chronic fatigue syndrome (CFS) and in control female subjects. The diagonal solid line represents 95% confidence interval (regression analysis); diagonal dashed lines, 95% confidence limits (1 SD).

Figure 4.
Categorized scatterplot of the differences in exercise duration and heart rate at the anaerobic threshold in patients with chronic fatigue syndrome (CFS) and in control female subjects. The diagonal solid line represents 95% confidence interval (regression analysis); diagonal dashed lines, 95% confidence limits (1 SD).

Categorized scatterplot of the differences in exercise duration and heart rate at the anaerobic threshold in patients with chronic fatigue syndrome (CFS) and in control female subjects. The diagonal solid line represents 95% confidence interval (regression analysis); diagonal dashed lines, 95% confidence limits (1 SD).

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