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Table 5 Comparison of predicted means summary scores for SF-12 – adjusted for age and sex

From: The effectiveness of emergency nurse practitioner service in the management of patients presenting to rural hospitals with chest pain: a multisite prospective longitudinal nested cohort study

  Standard care
Predicted mean
ENP service
Predicted mean
p value
Physical Component Summary
 Occasion-of-service 44.39 47.49 0.11
 Follow-up 44.07 46.98 0.17
Mental Component Summary
 Occasion-of-service 49.58 48.63 0.59
 Follow-up 49.16 48.14 0.62