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Table 3 Test statistics

From: Waiting times for elective treatments according to insurance status: A randomized empirical study in Germany

Specialist field Public insurance Private insurance Test statistic W p value Ratio
  Mean Std. N Mean Std. N    
Allergology/Pneumology 19.8 6.3 5 14.6 6.2 5 6.0 0.207 1.4
Ophthalmology 24.9 32.7 22 8.5 13.9 22 128.5 0.008 2.9
Diagnostic Radiology 18.5 17.0 8 1.1 1.7 10 0.5 <0.001 16.8
Gastroenterology 40.4 28.7 5 8.2 6.1 5 1.0 0.020 4.9
ENT 6.0 6.7 22 2.9 5.3 24 168.0 0.031 2.1
  1. Std. = standard deviation; N = number of subjects