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Table 1 Cardiac allograft survival in mice exposed to music or single sound frequencya

From: Auditory stimulation of opera music induced prolongation of murine cardiac allograft survival and maintained generation of regulatory CD4+CD25+ cells

Group N Individual STs (d) MST (d)
No exposure (no treatment) 5 6, 7, 7, 7, 8 7
Opera (pre-treatment) 4 7, 8, 8, 11 8
Mozart 5 19, 20, 20, 83, 84 20
Enya 5 7, 10, 11, 11, 19 11
Frequency    
100 Hz 4 7, 7, 8, 12 7.5
500 Hz 4 7, 8, 8, 10 8
1000 Hz 4 7, 8, 10, 10 9
5000 Hz 4 7, 8, 8, 11 8
10,000 Hz 4 7, 7, 8, 18 7.5
20,000 Hz 4 7, 8, 9, 17 8.5
  1. a All exposures were at 60 dB; there were no significant differences between the no-exposure group and any of the single-frequency groups on log rank test.
  2. STs, allograft survival times; MST, median allograft survival time.