The 23-year-old Irishman, who had 18 months remaining on his previous contract, has extended his stay with the Cherries until summer 2017.
He joined Bournemouth from Torquay United in 2012.
O'Kane has scored two goals in 27 appearances for Eddie Howe's side this season.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Liverpool | 21 | 15 | 5 | 1 | 50 | 20 | 30 | 50 |
| 2 | Arsenal | 22 | 12 | 8 | 2 | 43 | 21 | 22 | 44 |
| 3 | Nottingham ForestNott'm Forest | 22 | 13 | 5 | 4 | 33 | 22 | 11 | 44 |
| 4 | Chelsea | 22 | 11 | 7 | 4 | 44 | 27 | 17 | 40 |
| 5 | Manchester CityMan City | 22 | 11 | 5 | 6 | 44 | 29 | 15 | 38 |
| 6 | Newcastle UnitedNewcastle | 22 | 11 | 5 | 6 | 38 | 26 | 12 | 38 |
| 7 | Bournemouth | 22 | 10 | 7 | 5 | 36 | 26 | 10 | 37 |
| 8 | Aston Villa | 22 | 10 | 6 | 6 | 33 | 34 | -1 | 36 |
| 9 | Brighton & Hove AlbionBrighton | 22 | 8 | 10 | 4 | 35 | 30 | 5 | 34 |
| 10 | Fulham | 22 | 8 | 9 | 5 | 34 | 30 | 4 | 33 |
| 11 | Brentford | 22 | 8 | 4 | 10 | 40 | 39 | 1 | 28 |
| 12 | Crystal Palace | 22 | 6 | 9 | 7 | 25 | 28 | -3 | 27 |
| 13 | Manchester UnitedMan Utd | 22 | 7 | 5 | 10 | 27 | 32 | -5 | 26 |
| 14 | West Ham UnitedWest Ham | 22 | 7 | 5 | 10 | 27 | 43 | -16 | 26 |
| 15 | Tottenham HotspurSpurs | 22 | 7 | 3 | 12 | 45 | 35 | 10 | 24 |
| 16 | Everton | 21 | 4 | 8 | 9 | 18 | 28 | -10 | 20 |
| 17 | Wolverhampton WanderersWolves | 22 | 4 | 4 | 14 | 32 | 51 | -19 | 16 |
| 18 | Ipswich TownIpswich | 22 | 3 | 7 | 12 | 20 | 43 | -23 | 16 |
| 19 | Leicester CityLeicester | 22 | 3 | 5 | 14 | 23 | 48 | -25 | 14 |
| 20 | Southampton | 22 | 1 | 3 | 18 | 15 | 50 | -35 | 6 |
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