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. Author manuscript; available in PMC: 2010 Jun 3.
Published in final edited form as: Nurs Res. 2009 Mar–Apr;58(2):123–127. doi: 10.1097/NNR.0b013e318199b517

Table 2.

Mean Improvement Scores of Patients by Groups Stratified by Seriousness of Illness (n = 100)

Intervention (n = 50) Control (n = 50)
Seriousness n Mean SD n Mean SD t (48) p
High 34 13.91 1.26 16 13.13 1.26 2.06 .045
Low 16 19.00 1.32 34 18.26 1.14 2.03 .048