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. 2013 Jul 3;37(1):127–137. doi: 10.1007/s10143-013-0486-6

Table 3.

The summary of dependent variables supplemented by results of the statistical analysis. Mean ± standard deviation, median with (interquartile range) or percentile values were expressed

Variables iMRI (n = 21) Control (n = 21) P
Time [min]
  Tprep 53 ± 22 34 ± 20 0.004
  Top 60 ± 26 44 ± 20 0.024
  TOR 111 ± 24 78 ± 29 <0.001
Complications
  Haematoma 0 1 1.00
  Neurological deterioration 0 0
  Infection 0 0
  Diagnostic yield 95 % 95 % 1.00
Length of hospital stay [days]
  LOSpre 3 (4) 4 (4) 0.73
  LOSpost 2 (4) 2 (3) 1.0
  LOSTOTAL 5 (5) 7 (3) 0.16

Tprep—time of the preparation (period from the moment of conscious patient arriving to the operating room to the moment of skin incision), Top—time of the operation (period from the moment of skin incision to last suture insertion), TOR—total or time (Tprep + Top). LOSpre—preoperative length of hospital stay, LOSpost—postoperative length of hospital stay, LOSTOTAL—total length of hospital stay