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. Author manuscript; available in PMC: 2016 Mar 3.
Published in final edited form as: J Neurosurg Pediatr. 2015 Nov 20;17(3):361–370. doi: 10.3171/2015.7.PEDS15187

Table 6.

Summary statistics (non-syndromic) for patients <150 days old at time of surgery

Endoscopic n Open n p Value
Age at surgery (days) * 92.6 ± 24.7 124 132.4 ± 12.1 15 <0.001
Pre-placed shunt 0 123 0 15 1.000
Scalpel 64 (51.6%) 124 1 (6.7%) 15 0.001
Bovie 7 (5.6%) 124 9 (60.0%) 15 <0.001
EBL (cc)* 37.5 ± 27.6 124 245.7 ± 133.8 14 <0.001
Intraoperative transfusions (PRBC) 7 (5.7%) 123 15 (100.0%) 15 <0.001
Postoperative transfusions (PRBC) 7 (5.6%) 124 8 (57.1%) 14 <0.001
IV steroids 8 (6.6%) 121 1 (10.0%) 10 0.522
TXA 7 (5.8%) 121 0 10 0.434
Procedure length (mins)* 71.0 ± 25.3 124 117.5 ± 96.2 15 0.081
Length of stay (days)* 1.1 ± 0.3 123 4.1 ± 1.8 15 <0.001
Surgical complications 2 (1.6%) 124 1 (6.7%) 15 0.292
Intraoperative durotomies 5 (4.0%) 124 3 (20.0%) 15 0.041
Medical complications 4 (3.2%) 124 1 (6.7%) 15 0.440
Re-admit (<30 days) 2 (1.6%) 124 0 15 0.620
Length of follow-up (years) 2.1 ± 1.6 124 4.2 ± 2.7 14 0.015

Level of significance: 0.00320.

*

Values expressed as means ± one standard deviation.

EBL = estimated blood loss, mins = minutes, PRBC = packed red blood cells, TXA = tranexamic acid.