Therefore, a total of 253 patients were included in this study. The rate of unplanned readmission to hospital within 30 days of index discharge for this group was 24.50% (62/253). The average Charlson comorbidity index (CCI) score was 4.56 Â± 0.98 and average LACE index score was 11.89 Â± 2.00.
ocean - a large body of water constituting a principal part of the hydrosphere body of water, water - the part of the earth's surface covered with water (such as a river or lake or ocean); they invaded our territorial waters; they were sitting by the water's edge
The word sea can also mean the vast ocean covering most of the world. But it more commonly refers to large landlocked or almost landlocked salty waters smaller than the great oceans, such as the Mediterranean Sea or the Bering Sea. Sailors have long referred to all the world's waters as the seven seas.