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| MDR (n, %) | PDR (n, %) | ||
|---|---|---|---|
| A | 2007 (n = 16) | 14 (87.5) | 0 |
| 2008 (n = 21) | 16 (76.19) | 4 (19.04) | |
| 2009 (n = 19) | 11 (57.89) | 3 (15.79) | |
| 2010 (n = 22) | 12 (54.55) | 2 (9.09) | |
| Total (n = 78) | 53 (67.95) | 9 (11.54) | |
| B | 2011 (n = 19) | 7 (36.84) | 1 (5.26) |
| 2012 (n = 15) | 8 (53.33) | 2 (13.33) | |
| 2013 (n = 18) | 8 (44.44) | 1 (5.56) | |
| Total (n = 52) | 23 (44.23) | 4 (7.69) | |
| P | 0.012185 | 0.676142 | |
