| 2009% (n) | 2010% (n) | 2011% (n) | 2012% (n) | 2013% (n) |
---|---|---|---|---|---|
One year follow-up | Two years follow-up | Three years follow-up | Four years follow-up | Five years follow-up | |
Non MUPS | 33 (90) | 38.5 (105) | 46.9 (128) | 52.4 (143) | 51.3 (140) |
Mild MUPS | 31.9 (87) | 31.1 (85) | 27.8 (76) | 19.4 (53) | 21.6 (59) |
Moderate MUPS | 34.1 (93) | 26.4 (72) | 18.3 (50) | 19.8 (54) | 17.6 (48) |
Chronic MUPS | 1.1 (3) | 4.0 (11) | 7.0 (19) | 8.4 (23) | 9.5 (26) |