Those living in Merseyside were three times more likely to be attacked by a dog compared to someone in Kent – 281 admissions in Merseyside per 100,000 people compared to 92 in Medway, Kent.
Earlier this year, tougher new laws came into force for dog owners in England and Wales who allow their pets to attack people.
Under the revised 1991 Dangerous Dogs Act, a person can now face up to 14 years in jail if their dog fatally attacks and up to five years if an injury is caused.
Any attack on an assistance dog could see the owner face three years' in jail.
For the first time, police and local authorities are now able to demand that owners take action to prevent dog attacks – such as a muzzle or obedience classes - or risk a hefty fine of up to Ł20,000.
A spokesman from People for the Ethical Treatment of Animals (PETA) said it is often "not a case of 'bad dog' but rather 'bad owners'."
"Dogs are highly social animals, but when they're abused and denied the opportunity to engage in natural behaviour or fulfil their basic needs in life including adequate food and water and socialisation with others – it's hardly surprising that they lash out in frustration. It's usually not a case of 'bad dogs' but rather of 'bad owners.' "
There are four breeds prohibited under the Dangerous Dogs Act 1991, along with the Japanese Tosa, the Dogo Argentino and the Fila Braziliero, which were originally bred for their ability to fight.
The PETA spokesman said that it was pit bulls who "arguably also the most abused of all dogs."
He continued: "Such breeds are often bullied, tormented, beaten, starved, chained, used as "guard dogs" and trained to attack people and other animals.
"Even if they are not trained to fight, many have often been abused as puppies – so those who then end up with good families may nevertheless behave aggressively, particularly out of loyalty, in defence against people they don't know and imagine may be a threat to their human family.
"The way to prevent more attacks is to prevent dogs from being born only to be abused, which will be best achieved through anti-breeding legislation and sterilisation efforts.
"It is of the utmost urgency that we take these steps."