“…The review team did, however, identify weaknesses in study design and reporting. We found 35 studies either had deficiencies in methods [ 24 , 30 , 33 , 37 , 39 , 50 – 55 , 57 , 69 , 70 , 73 – 75 , 82 – 84 ] or were descriptive without process or outcome data [ 12 , 15 , 43 – 50 , 61 , 62 , 66 , 67 , 71 , 72 , 76 , 88 , 89 ]. Weaknesses included small sample size (for example, one care home sampled), no comparator or baseline, and number of participants not reported.…”