of marginal significancep = 0.017
7/30 in 2001–2005), although, using Fisher's exact test, this finding was of marginal significance in 2001–2005 ( p = 0.017) and in the earlier period ( p = 0.11).
7/30 in 2001–2005), although, using Fisher's exact test, this finding was of marginal significance in 2001–2005 ( p = 0.017) and in the earlier period ( p = 0.11).