In hospitalized patients aged 65 years and older with decreased mobility (e.g., patients requiring assistance with activities of daily living (ADL), changes in positioning or ambulation) ((P), does an early ambulation/mobility program (I), compared to traditional pressure injury care (Q2 hour turn clock, specialty mattress, off-loading, etc.) (C), reduce the development of hospital-acquired pressure injuries (O) in 21 days (T)?