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. 2013 Sep-Oct;33(5):469–475. doi: 10.5144/0256-4947.2013.469

Table 4.

Comparisons of the improvement of the mean symptoms score of the 4 cardinal symptoms of allergic rhinitis (nasal itchiness, sneezing, rhinorrhea & nasal blockage) in the case and the control group.

Symptoms Week Case Control
Mean different of symptom score (SD) t test, df 19 P value Mean different of symptom score (SD) t test, df 19 P value

Nasal itchiness
0–4 0.45(0.95) t=2.13 .046 0.45(1.19) t=1.69 .107
4–8 0.30(0.47) t=2.85 .010 0.10(0.64) t=0.70 .494
0–8 0.75(0.97) t=3.47 .003 0.55(0.94) t=2.60 .017
Sneezing
0–4 0.48(0.88) t=2.33 .031 0.23(0.84) t=1.20 .244
4–8 0.32(0.89) t=2.13 .047 0.18(0.54) t=1.61 .124
0–8 0.80(1.32) t=2.43 .025 0.41(0.74) t=2.15 .045
Nasal blockage
0–4 0.42(0.95) t=2.17 .043 0.19(0.44) t=1.62 .121
4–8 0.39(0.78) t=2.20 .04 0.39(0.87) t=1.80 .087
0–8 0.81(1.11) t=2.52 .021 0.58(1.01) t=1.65 .115
Rhinorrhea
0–4 0.38(0.44) t=1.97 .063 0.56(0.78) t=2.07 .052
4–8 0.25(0.49) t=1.67 .112 0.14(0.38) t=1.56 .135
0–8 0.63(0.72) t=2.16 .044 0.70(0.72) t=1.87 .077

SD:standard deviation, df:degree of freedom