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| Original review | Update (2013) | Change to results/ conclusion |
| Change in wording of outcome timeframe: "We grouped outcomes into (less than three months), (up to six months), (up to one year), and (two years or more from admission date)" |
Changed to: "We grouped outcomes into short term (less than three months); medium term (three to six months); long term (six months to one year); longer term (one to two years or more from admission date)" |
No |
