Regarding the risk of DC infections in relation to the number of DC lumens, only one study, which was retrospective, has focused on this topic and reported no differences in DC infections between patients with two single-lumen DCs and those with double lumen DCs [19].
The age of onset and spinal muscular atrophy phenotype overlapped between patients with two or three copies of SMN2.
*<0.05 **<0.01 Only the ESRD-SCL subscale Increased growth of gum and hair discriminated between patients with two different immunosuppressive regimens after adjustment for age, sex, and comorbidity (Table 5).
Regarding the risk of DC infections in relation to the number of DC lumens, only one study, which was retrospective, has focused on this topic and reported no differences in DC infections between patients with two single-lumen DCs and those with double lumen DCs [ 19].
Even if a multivariate analysis did indicate a difference, we still would need to account for the difference in tumor burden between patients with two nodal micrometastases seen only on immunohistochemistry and those with at least one nodal metastasis large enough to be seen on routine evaluation of a bisected node.
The number of distinct remission periods varied between patients, with four patients experiencing only one, five patients experiencing two, and one patient experiencing three distinct remission periods.
On the other hand, in a study by Mokrowiecka et al. which used the SF-36, differences in HRQOL were found between patients with three common gastroenterological chronic conditions: gastroesophageal reflux disease (GERD), peptic ulcer disease (PUD) and ulcerative colitis (UC).
A previous study showed that the frequency of HLA-B27 positivity, inflammatory back pain, arthritis, enthesitis, uveitis, and levels of disease activity are highly comparable between patients with these two types of diseases, thus suggesting that these two entities are part of the same disease [ 3].
Differences in tyrosine phosphorylation status reported from the in vitro study by Chen et al (2006) suggest the existence of clinical differences between patients with these two mutations.
It is also unknown whether, in IBS patients with FD, psychopathological features differ between patients with the two subtypes of FD as defined by the Rome III criteria: postprandial distress syndrome (PDS) and epigastric pain syndrome (EPS) [ 2].
In our series, there were no differences in FIGO stage, tumour size, depth of cervical stromal invasion, parametrial involvement, LVSI or lymph node metastasis between patients with the two histologic types.
