Possible Clues:

• Centenarian's birthday
• Fraction of the run that completes a century
• Barbarian doctor botched the D & C
• The last sheep back in the fold?
• Percentage turned around, saving dosh initially in hospitals
• Red-hot Hindu nuts, withdrawing 10%
• Hymn referred to as old, end-of-the-century?
• Old Asian doctor disheartened girl a fraction
• Umpteenth opportunity for Ethel M Dell?
• I combined with XI as part of MCC