That patient was admitted to the hospital as per scheduled.
The patient was hospitalized on the set date.
ーThat patient was admitted to the hospital as per scheduled.
「その患者は予定通り入院した」
to be admitted to the hospital で「（病院に）入院する」
as per scheduled で「予定通り」
ーThe patient was hospitalized on the set date.
「その患者は決められた日に入院した」
to be hospitalized で「入院する」
on the set date で「決められた日に・設定された日に」
ご参考まで！
カナダ 
