To be weirded out by this candidate's personality test

[salsamillion]

I'll keep things vague for reasons of obvious confidentiality. I'm recruiting a senior manager for a role in a large company. The post includes line management of around 10 staff as well as some direct customer facing responsibility. We are through to final (third) interview this week and one candidate has included a personality test they completed at their current employer. It shows them to be organised, target focussed etc, all good. BUT it also shows them to have unusually low levels of altruism.
Does anyone know what that actually means? I've contacted the company who did the test and they refuse to comment on individual cases without their written consent, which I don't want to do at this stage.
So what does it mean in real terms? Are they likely to be a sociopathic serial killer?

[salsamillion]

No it wasn't.