Statistical Analysis
Statistical analysis was done using SPSS version 26. Descriptive data
for the proportions and percentages were calculated for categorical
variables. Association between nasal endoscopic features and rhinitis
with or without PND groups was analyzed using the Chi-Square test and
Kendall’s tau b. Mean VAS was compared using the T-Test. The interrater
reliability for endoscopic scores was analyzed by Cohen’s kappa and for
RFS was analyzed using intraclass correlation. A P-value of
<0.05 was considered statistically significant. The
sensitivity, specificity, positive predictive value (PPV), negative
predictive value (NPV), likelihood ratio positive (LR+) and likelihood
ratio negative (LR-) was calculated for endoscopic features which proved
to have an association with PND.
RESULTS
There were 98 participants, of which 61.2% were female with a mean age
of 32.32±11.33 years. Among these rhinitis patients, 81.6% were
diagnosed to have allergic rhinitis, 56.1% had persistent rhinitis,
74.5 % reported rhinitis to disturb their sleep and daily activity and
39.8 % had rhinitis symptoms for more than 10 years. The overall VAS
for rhinitis is 57.8±27.11. Among the participants, 28.6% were
diagnosed to have asthma by another practitioner and 7.1% were using
intranasal steroids.