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Table 4.

Precision of plasma NMR with replication of NMR measurements

n/subjectVariance of the mean of n replicatesReliabilityVariance inflation relative to n = 2Variance inflation relative to n = 3
A. All subjects 
0.080 0.85 1.08 1.11 
0.074 0.92 1.00 1.03 
0.072 0.94 0.97 1.00 
0.071 0.96 0.96 0.99 
10 0.069 0.98 0.94 0.96 
∞ 0.068 1.00 0.92 0.94 
B. Outliers removed 
0.039 0.70 1.18 1.25 
0.033 0.82 1.00 1.06 
0.031 0.87 0.94 1.00 
0.030 0.90 0.91 0.97 
10 0.029 0.96 0.86 0.91 
∞ 0.027 1.00 0.82 0.87 
n/subjectVariance of the mean of n replicatesReliabilityVariance inflation relative to n = 2Variance inflation relative to n = 3
A. All subjects 
0.080 0.85 1.08 1.11 
0.074 0.92 1.00 1.03 
0.072 0.94 0.97 1.00 
0.071 0.96 0.96 0.99 
10 0.069 0.98 0.94 0.96 
∞ 0.068 1.00 0.92 0.94 
B. Outliers removed 
0.039 0.70 1.18 1.25 
0.033 0.82 1.00 1.06 
0.031 0.87 0.94 1.00 
0.030 0.90 0.91 0.97 
10 0.029 0.96 0.86 0.91 
∞ 0.027 1.00 0.82 0.87 

NOTE: n, number of replicate measurements per subject; variance of the mean of n replicates, variancebetween-subjects + variancewithin-subjects/n; Reliability, variancebetween-subjects/total variance; variance inflation of x relative to y, variance of x replicates/variance of y replicates.

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