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Table 3 Acceptable maneuvers reported by the sites (N = 29,799)

From: High quality standards for a large-scale prospective population-based observational cohort: Constances

Repeatability criteria satisfied   
Study nurse assessment reported in the CRF Calculated with FVC,FEV1 data entered in the CRF Frequency Percentage
Repeatable Repeatable 28,396 95.36
Not repeatable Repeatable 253 0.85
Assessment missing Repeatable 151 0.51
Repeatable Not repeatable 804 2.70
Not repeatable Not repeatable 168 0.56
Assessment missing Not repeatable 7 0.02