Spurs are joint bottom of the Premier League form table over the past six games and haven't won a domestic match since December. They are currently four points above the relegation zone.
Kelly told BBC Radio 5 Live that the team needs to improve their mentality, particularly at home, where they've struggled to perform. With upcoming matches against Fulham, Crystal Palace and Liverpool, Kelly believes survival will depend entirely on other teams' poor performances rather than Spurs' own improvement.