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. 2019 Jun 6;14:1239–1250. doi: 10.2147/COPD.S196592

Table 5.

Comparisons in unexpected medical care for respiratory problems (N=52)

Outcome measure Experimental group (n=27) Control group (n=25) t-test P-value
Frequency Mean ± SD Frequency Mean ± SD
Unexpected outpatient visit 12 0.48±0.64 11 0.44±0.58 0.243 0.809
Emergency visit 8 0.30±0.61 7 0.28±0.54 0.102 0.919
Hospitalization 2 0.11±0.42 5 0.20±0.41 −0.769 0.445
Total 22 0.88±1.19 23 0.92±0.97 −0.102 0.919