TABLE 3

Statistics for All Data Collected from Patient Population 3

All patientsRepeated-imaging patientsFirst-time patients
ParameterNo deviceDeviceNo deviceDeviceNo deviceDevice
Mean26.45 (23.94–28.96)22.87 (21.76–23.98)24.64 (22.08–27.19)20.78 (19.93–21.63)27.25 (21.02–33.48)23.09 (20.94–25.25)
SD7.143.164.321.308.993.65
Maximum473332234733
Minimum202020202020
Median2422252024.522
P (difference between groups)0.014 (−6.41–[−0.75])0.023 (0.60–6.68)0.249 (−11.81–3.49)
  • Data in parentheses are 95% confidence intervals.