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Table 2 WAO classification of treatment-related systemic reactions

From: An accelerated dose escalation with a grass pollen allergoid is safe and well-tolerated: a randomized open label phase II trial

 

Group I accelerated

Group II conventional

Reactions per number of injections

 Total number of injections

371

557

 Injections without reactions

362 (97.6 %)

553 (99.3 %)

 WAO Grade 1

5 (1.3 %)

2 (0.4 %)

 WAO Grade 2

3 (0.8 %)

2 (0.4 %)

 WAO Grade not classified

1 (0.3 %)a

0 (0.0 %)

Patients with systemic reactions

 Total number of patients

61

61

 Patients without reaction

52 (85.2 %)

57 (93.4 %)

 WAO Grade 1

5 (8.2 %)

2 (3.3 %)

 WAO Grade 2

3 (4.9 %)

2 (3.3 %)

 WAO Grade not classified

1 (1.6 %)a

0 (0.0 %)

  1. aPeak expiratory flow decrease without clinical symptoms