Final answer:
The blood pressure of 94/62 mm Hg requires the most immediate attention.
Step-by-step explanation:
The assessment data that requires the most immediate attention following admission of a postoperative client to the clinical unit is a blood pressure of 94/62 mm Hg. This blood pressure reading is considered low and could indicate hypotension, which can be a sign of inadequate blood flow to organs and tissues. Immediate attention is needed to prevent any complications.