Furthermore, the percentage of worms with missing SGPs was approximately the same as the percentage of worms with missing DTCs, suggesting that missing DTCs are a secondary consequence of missing SGPs.
"One per cent of children at secondary school are missing a day a week because of CFS/ME.
8 These missing data have the potential to bias results; however, both the primary analysis with imputation of missing data and a secondary complete case analysis showed similar results, which provide some reassurance.
In a further 19 subjects data were missing such that a secondary cause could not be excluded.
Subjects were excluded from calculations on the prevalence of NAFLD if data on the above measures were missing such that a secondary cause could not be excluded.
Studies in countries such as Ghana and Cameroon suggest many girls at secondary school miss a week of classes when they have their period, or drop out altogether when they reach puberty.
Meanwhile, the secondary user misses a spectral opportunity because of the misleading interference measurement as depicted in Figure 1b.
Current models underestimate organic aerosol concentrations in the free troposphere, suggesting there is a missing secondary organic aerosol (SOA) formation mechanism (3, 4).
It's hard to see how one missed week for a secondary pupil in Years 7, 8 and 9 can affect future exam results.
In 2009-2010, 6.8% of pupils in secondary and primary schools missed a month or more of their lessons each year.
