Sentence examples for matched for smoking from inspiring English sources

Overall, we believe the three groups are well matched for smoking exposure.

This has been possible by using cohorts of smokers, matched for smoking exposure, but quite different in their phenotypic response to smoking exposure.

Healthy controls without respiratory disease (n = 29) were over the age of 40 years, had an FEV1>80% of predicted and were matched for smoking status.

To better understand the complex relationship between COPD and lung cancer, smokers in both cases and controls would ideally be matched for smoking exposure and sub-phenotyped for COPD using spirometry.

In the current study, where all cohorts were matched for smoking exposure, the CC genotype (low CRP level) was less frequent in both COPD and lung cancer cases although only achieved significance in the lung cancer only sub-phenotype.

This study examines the association of several overlapping chromosomal loci, recently implicated by GWA studies in COPD, lung function and lung cancer, in (n = 1400) subjects sub-phenotyped for the presence of COPD and matched for smoking exposure.

In the recruitment of the control subjects particular attention was paid to match for smoking habits (ascertained by the CRF), since smoking has been shown to be by far the most significant environmental risk factor for AMD.

The concentration of retinol was measured in the stored serum samples from 227 men subsequently notified as having cancer and from 454 unaffected controls, matched for age, smoking history and duration of storage of the serum samples.

The concentration of beta-carotene was measured in the stored serum samples from 271 men who were subsequently notified as having cancer and from 533 unaffected controls, matched for age, smoking history and duration of storage of the serum samples.

The concentration of vitamin E (alpha-tocopherol) was measured in the stored serum samples from 271 men subsequently notified as having cancer and from 533 unaffected controls, matched for age, smoking history and duration of storage of the serum samples.

In the BUPA study, a prospective study of 22,000 men attending a screening centre in London, the mean serum cholesterol level of the 267 men who developed cancer was 6.66 mmol l-1, not significantly different from the mean level of 6.72 mmol l-1 among the 525 unaffected controls matched for age, smoking history and the calendar quarter of their attendance at the screening centre.