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Table 4 Evolution of symptom frequency and allergy severity between the 2014 and 2015 pollen seasons

From: An observational cohort study of the use of five-grass-pollen extract sublingual immunotherapy during the 2015 pollen season in France

 

Children

(N = 203)

Adults

(N = 280)

Total

(N = 483)

Change in symptom frequency between 2014 and 2015

 Not determined in 2015

2 (1.0%)

6 (2.1%)

8 (1.7%)

 Improved (persistent in 2014/intermittent in 2015)

146 (71.9%)

181 (64.6%)

327 (67.7%)

 Worsened (intermittent in 2014/persistent in 2015)

2 (1.0%)

5 (1.8%)

7 (1.4%)

 Unchanged between 2014 and 2015

53 (26.1%)

88 (31.4%)

141 (29.2%)

Change in allergy severity between 2014 and 2015

 Improved (moderate-severe in 2014/mild in 2015)

122 (60.1%)

169 (60.4%)

291 (60.2%)

 Worsened (mild in 2014/moderate-severe in 2015)

3 (1.5%)

None

3 (0.6%)

 Unchanged between 2014 and 2015

78 (38.4%)

111 (39.6%)

189 (39.1%)