“…60,140,215,216,334,335,485,486,492,493,496,497,613,633,637,[648][649][650][651]654,655,657, It should be pointed out that the methods for defining adherence (or non-adherence) and the methods for conducting observations varied considerably in the reported studies, and many articles did not include detailed information about the methods and criteria used. Some studies assessed compliance with hand hygiene concerning the same patient, 60,334,648,652,666,667,683,[685][686][687] and an increasing number have recently evaluated hand hygiene compliance after contact with the patient environment.…”