an increasing trendP < 0.001
An increasing trend over time in incidence was apparent for males ( P < 0.001) but not females ( P = 0.08), and both genders exhibited rising temporal trends in presentation rates ( P < 0.001).
An increasing trend over time in incidence was apparent for males ( P < 0.001) but not females ( P = 0.08), and both genders exhibited rising temporal trends in presentation rates ( P < 0.001).