The peak VAS scores and end VAS scores showed a highly significant correlation with the satisfaction scores with Spearman correlation coefficient (ordinal data) Rs values of +0.5995 and +0.6157, respectively [ Figure 1 ], while the median VAS scores of each patient showed a very weak correlation to satisfaction scores with a Spearman correlation coefficient Rs value of 0.0273 [ Figure 1 ].
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Psychological heuristics of "peak-end rule" in labouring parturients: A prospective cross-sectional study.
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