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. 2006 Nov 10;3(4):411–424. doi: 10.1093/ecam/nel072

Table 1.

Acceptable sampling analysis of pharmacological interventions: acetylcholinesterase inhibitors and NMDA antagonists

Paper Question Wong Scale Total
What A What B What C Who A Who B Who C How A How B How C
1 3.00 3.00 2.00 2.00 2.00 3.00 2.00 2.00 3.00 22.00
2 3.00 3.00 2.00 1.00 3.00 2.00 3.00 2.00 2.00 21.00
3 2.00 2.00 3.00 1.00 2.00 2.00 1.00 2.00 3.00 18.00
4 2.00 3.00 3.00 2.00 1.00 3.00 2.00 1.00 2.00 19.00
5 2.00 3.00 2.00 2.00 2.00 3.00 1.00 3.00 2.00 20.00
6 2.00 3.00 2.00 1.00 1.00 1.00 2.00 2.00 1.00 15.00
7 2.00 3.00 2.00 2.00 1.00 3.00 2.00 2.00 2.00 19.00
8 2.00 2.00 2.00 1.00 2.00 3.00 3.00 2.00 3.00 20.00
9 1.00 2.00 2.00 2.00 2.00 3.00 1.00 1.00 1.00 15.00
10 2.00 3.00 2.00 1.00 2.00 2.00 2.00 3.00 3.00 20.00
11 2.00 2.00 1.00 1.00 1.00 2.00 3.00 2.00 3.00 17.00
12 2.00 3.00 3.00 2.00 1.00 3.00 1.00 2.00 3.00 20.00
13 3.00 3.00 2.00 2.00 1.00 3.00 2.00 2.00 3.00 21.00
Mean 2.15 2.69 2.15 1.54 1.62 2.54 1.92 2.00 2.38 18.75
SD 0.55 0.48 0.55 0.52 0.65 0.66 0.76 0.58 0.77 2.09
95% CI 1.82–2.49 2.40–2.98 1.82–2.49 1.23–1.85 1.22–2.01 2.14–2.94 1.46–2.38 1.65–2.35 1.92–2.85 17.67–20.33
P
Strong evidence What B, Who C 0.503
Adequate evidence How C 1.000
Moderate evidence What A, What C, How B 0.495
Weak evidence Who A, Who B, How A 0.14
Variation SSq DF MSq F P Coefficient P
ANOVA analysis of Wong scores Distribution of total scores
Paper 15.86 8.00 1.98 5.14 <0.0001 Shapiro-Wilk 0.8977 0.1245
Within cells 41.69 108.00 0.39 Skewness −0.8341 0.1676
Total 57.56 116.00 Kurtosis −0.1145

Scores obtained from the Wong Scale-Revised were statistically analyzed using a one-way ANOVA. Data were used to determine the acceptability of the 13 applicable studies as a whole.