According to new reports, 45-year-old retired German racing car driver Michael Schumacher is still in coma, and there are fears that he may be unable to recover and come out of his current state.

According to a report in the British Daily Express, Schumacher spent his 150th day in a medically-induced coma recently, and the newspaper claimed that there were "persistent rumors that he may be in a permanent vegetative state for the rest of his life."

While Schumacher entered the sixth month of his coma, medical experts have tried to explain how things might develop for the ex-Formula 1 champion from here.

Talking about Schumacher's chances of recovery, Philippe Azouvi, a French neurological professor, told Focus magazine, "The only thing we can say is that, statistically, 30 percent of patients recover from a severe brain injury, mild impairments affects 50 percent of them, and 20 percent of them suffer from severe disabilities and remain dependent on constant help."

Meanwhile, Dr. Andreas Zieger, German chief physician at Evangelical Hospital's neuro-rehabilitation unit said that despite persistent rumors and speculation, every person's condition is different, and it is not actually possible for anyone to predict with that much certainty how Schumacher's condition will develop. He explained that for anyone who has suffered severe brain trauma, it is tough to predict when the person might wake up.

He did add however, "But the longer the recovery phase, one must conclude, that the brain damage suffered has been serious."

Even former F1 doctor Gary Hartstein corroborates Dr. Zieger's views. In his blog, Dr Hartstein wrote, "(the) longer Schumacher stays in a coma, the lesser the chances are that he will recover [from] it."

Hapless over the developments, Schumacher's wife, Corinna, and their children, Gina Marie and Mick, continue to be at his bed side as he is being treated at the Grenoble University Hospital.

Corinna seems to be rooting in faith and not in a miracle. "Corinna would view breaking faith with the hope of a miracle a betrayal, little better than treachery," a family friend told The Sun, adding, "She feels that the family communes around his bed side pulsate their hope and love to him, and that of the millions of fans worldwide who share that faith."

"She can't express defeat because that would be the end of her."