1naresh
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P Valuea AUC Cutoff Value Sensitivity (%) Specificity (%) Comparison of all PCNSLs and TDLs Cho/Cr ratio .000 0.849 (0.739, 0.926) 2.58 75.0 (59.7, 86.8) 81.0 (58.1, 94.4) Cho/NAA ratio .000 0.885 (0.782, 0.951) 1.73 88.6 (75.4, 96.2) 76.2 (52.8, 91.7) Lip-lac grade .000 0.801 (0.684, 0.890) 3 47.7 (32.5, 63.3) 95.2 (76.2, 99.9) Comparison of atypical PCNSLs and TDLs Cho/Cr ratio .003 0.785 (0.628, 0.897) 2.39 70.0 (45.7, 88.0) 71.4 (47.8, 88.6) Cho/NAA ratio .001 0.883 (0.744, 0.962) 1.73 90.0 (68.3, 98.5) 76.2 (52.8, 91.7) Lip-lac grade .005 0.745 (0.585, 0.868) 3 35.0 (15.4, 59.2) 95.2 (76.2, 99.9)
Note:—Numbers in parentheses are the 95% confidence intervals.
↵a P values represent comparison results of PCNSLs and TDLs by use of the Student t test for the Cho/Cr ratio, the Cho/NAA ratio, and the Mann-Whitney U test for the lip-lac grade.