'All of the interviewers at X college thought you were very articulate. ... answered questions very well indeed and with clarity.... coped incredibly well with all questions (goes onto specifics) ... overall, we firmly decided that you displayed all of the qualities to make an exceptional doctor... etc
'BUUUUT , very unfortunately, when we ranked all Oxford applicants post interview (1/3 invited to interview, 152 offers given to 452 interviewees), according to these 5 factors: academic grades, reference, personal statement, interview performance and finally the BMAT scores, you came at the top of the middle group, very narrowly missing out on an offer. (goes onto mention that 'top' group given offers, middle group is just below them, then the 'bottom group', etc)
'Please do not be discouraged at all as you are an incredibly worthy candidate, with all of your qualities unanimously judged to be of a standard clearly above the average of Oxford interviewees this year. ... I'm so sorry to write with this news....'
They could've made an extra place and given it to you, lol. Obv I haven't seen your ps, references etc but from what they said you were clearly suitable and I doubt many other people could match your academic background. Bizarre!