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Fig. 1 | BMC Musculoskeletal Disorders

Fig. 1

From: Does the use of telephone reminders to increase survey response rates affect outcome estimates? An ancillary analysis of a prospective cohort study of patients with low back pain

Fig. 1

Flowchart of patient participation and data collection. NOTE: 812 patients with low back pain referred from general practice to the regional Spine Centre at Silkeborg Regional Hospital in Denmark were included in the study. Six hundred forty-three responded without needing a telephone reminder and 52 responded after receiving a telephone reminder

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