Which preposition to use with sickroom

of Occurrences 2%

While Georgie's days were so full of new interests, Amelia's life was anything but one of pleasure, for it was passed almost entirely in the sickroom of her mother, with only the gleams of joy when little George visited her, or with an occasional walk to Russell Square.

into Occurrences 1%

[Sidenote: Don't make your sickroom into a ventilating shaft for the whole house.

Which preposition to use with  sickroom