The free-stall base was divided into seven sectors and the cleanliness of each sector was scored using a five grade scale reflecting the degree of contamination of each section.
The cleanliness of the udder, hind legs, and flanks of the cows was scored using a four grade scale where 1 was clean and 4 was very dirty [ 13].
For this we used a seven graded scale (1 = 'bad', 7 = 'good') with one question for each session, worded 'How did you experience session one?' There was also a possibility to make comments in relation to each question.
In our study, we used a four chromagen intensity grade, ranging from 0 to 3, where 0 and 1 were defined as low intensity, and 2 and 3 were defined as high intensity staining, as reported previously (Allegra et al, 2002).
Disease progression was assessed three times per week using a clinical grade scale adapted from that described earlier38.
To offset this inadequacy, gait was independently classified into four functional levels graded from zero to three: grade zero, no gait or bedridden; grade one, uses a wheelchair; grade two, uses a double support or walker; and grade three, walks unaided or uses a cane [ 17].
A total of seven different asphalt binder types from three sources were used, including: (a) three viscosity grade virgin (VG-10, VG-30 and VG-40) binders; (b) two polymer-modified (PMB-40 and PMB-70); and (c) two crumb-rubber modified (CRMB-55 and CRMB-60) binders.
Staining was evaluated in a semi-quantitative manner, using three grades of positivity: strong, moderate, and weak.
In the CQ-index patients are asked to evaluate the quality of care they received during their hospital stay using a scale with grades from zero to ten.
Lipoatrophy was identified and graded by consensus between two HIV pediatricians using a standardized grading scale.
The scale used to evaluate POST was a four graded scale: 0 = No sore throat, 1 = Mild sore throat (less than with a cold), 2 = Moderate sore throat (as with a cold) and 3 = Severe sore throat (more severe than with a cold) [ 7].
