Increase in BR (2‐fold) | Increase in BR (3.2‐fold) | |||
Yes | No | Yes | No | |
RS at 1st follow-up | 5/27 (18.5) | 7/160 (4.4) | 4/21 (19.0) | 8/166 (4.8) |
RS at 2nd follow-up | 6/29 (20.7) | 8/164 (4.9) | 5/23 (21.7) | 9/170 (5.3) |
Nonpersistent RS¶ | 10/29 (34.5) | 14/165 (8.5) | 8/23 (34.8) | 16/171 (9.4) |
Persistent RS+ | 6/25 (24.0) | 8/159 (5.0) | 5/20 (25.0) | 9/164 (5.5) |
Data are presented as n/ total N (%)
#: some subjects did not have complete questionnaire data
¶: cases include subjects that developed at least one W‐R RS suggestive of occupational asthma (OA) at least once during the study
+: cases include subjects that developed at least one W‐R RS suggestive of OA at first follow-up that persisted until the second follow-up or the development of at least one W‐R RS as of the second follow-up