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Table 2 Descriptive analysis of the data of the 20 patients regarding accuracy and time consumed in both methods of tumor localization

From: Assessment of necessity of neuronavigation in localization of calvarial extra-axial lesions in the setting of limited resources

  Time of conventional (min) Time of brain lab (min) Error in conventional (mm) Error in brain lab (mm)
Mean 2.05 24.90 6.50 3.85
Median 2.00 25.00 6.50 4.00
Std. Deviation .826 1.334 1.762 1.309
Minimum 1 23 4 2
Maximum 3 27 9 6
Percentiles 25 1.00 24.00 5.00 3.00
75 3.00 26.00 8.00 5.00
P value For time < 0.001 For errors < 0.001