Re: Massacre at Qana
In addition to what fayz says, Qana is apparently a deserted town, with most who had the means to leave already gone, and only the most vulnerable/poor left behind (borne out by the fact that a lot of the children that died were disabled).
http://www.dnaindia.com/report.asp?NewsID=1044705
It is probable that there is a high correlation between those who didnt have the means to leave, and those who didnt have male family members who could help them leave the area.