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Original Research

Validity of subjective smoking status in orthopedic patients

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Pages 1297-1303 | Published online: 27 Aug 2015

Figures & data

Figure 1 Serum cotinine levels.

Notes: White boxes: levels at preoperation; gray boxes: levels at follow-up. Black lines indicate medium; bottom and top of the boxes indicate the first and third quartile, respectively. Whiskers indicate the lowest and highest values within 1.5 interquartile range. Outliners above and beyond extremes are not shown.
Figure 1 Serum cotinine levels.

Table 1 Patients’ characteristics

Table 2 Prevalence of smoking as measured by subjective status and serum cotinine testing

Table 3 Test quality of subjective smoking status