| N | Asthma | PNDS | GERC | EB | Other causes |
---|---|---|---|---|---|---|
USA | Â | Â | Â | Â | Â | Â |
Irwin RS [27] (1980) | 49 | 25% | 29% | 10% | Â | CB 12% |
Poe [52] (1989) | 139 | 35% | 26% | 5% | / | CB 7% |
Irwin RS [28] (1990) | 102 | 24% | 41% | 21% | / | CB 5% |
Mello [29] (1996) | 88 | 14% | 38% | 40% | / | / |
UK | Â | Â | Â | Â | Â | Â |
Brightling CE [31] (1999) | 91 | 18% | 24% | 8% | 13% | Â |
Birring SS [53] (2004) | 236 | 17% | 12% | 15% | 7% | PIC 7% |
Kastelik JA [54] (2005) | 131 | 24% | 6% | 22% | / | PIC 8% |
Australia | Â | Â | Â | Â | Â | Â |
Carney IK [32] (1997) | 30 | 23% | 73% | 93% | 10% | ACEI 23% |
Turkey | Â | Â | Â | Â | Â | Â |
Ayik S [34] (2003) | 36 | 3% | 22% | 22% | 33% | PIC 6% |
Japan | Â | Â | Â | Â | Â | Â |
Fujimura M [41] (2005) | 176 | 36% | 18%* | 2% | / | AC 29% # |
Korea | Â | Â | Â | Â | Â | Â |
Joo JH [33] (2002) | 92 | 16% | 33% | / | 12% | CB 15% |
China | Â | Â | Â | Â | Â | Â |
Yang ZM [37] (2005 Shanghai) | 105 | 51.4% | 26.7% | 1.9% | 5.7% | PIC 8.5% |
Lai KF [35] (2006 Guangzhou) | 194 | 14% | 17% | 12% | 22% | AC 12% |
Lu GL [36] (2009 Beijing) | 123 | 33.3% | 24.4% | 20.3% | 4.9% | AC 3.3% |
Lai KF [19] (2012) | 704 | 32.6% | 18.6% | 4.6% | 17.2 | AC 13.2% |