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Example of Recursive Partitioning Algorithm for Nausea and Vomiting of Pregnancy Quality of Life questionnaire (NVPQOL). ‘Fatigue’ domain. ‘LOW QUALITY OF LIFE’ represents an NVPQOL score <3 out of a possible seven for the Fatigue Domain. Pregnancy-Unique Quantification of Emesis (‘PUQE’) scores were split at a nausea score ≥3 out of a possible five points. These results are partially represented numerically in Table 3 for the Fatigue domain of the NVPQOL.
