Demographics
There were 42 men and 41 women in the music group, and
their mean age was 60 (SD 13). There were 48 men and 37
women in the control group, and their mean age was 63 (SD
12). More than half of the music group were pensioners (47/
83), and most were married or in common-law partnerships
(60/83). In the control group, most were pensioners (55/85)
and most were married or in common-law partnerships (65/
85). Most of the surgeries in the music group (56/83) and in
the control group (54/85) were cancer procedures