Prolonged episodes with SpO@ < @ % of > @ seconds duration ( median , @ episodes -LSB- range , @-@ -RSB- vs @ episodes -LSB- range , @-@ -RSB- ; P < @ ) and of > @ seconds duration ( median , @ episodes -LSB- range , @-@ -RSB- vs @ episodes -LSB- range , @-@ -RSB- ; P < @ ) decreased significantly during the automated period .