. Author manuscript; available in PMC: 2022 Jul 1.

Published in final edited form as: J Neurosurg Pediatr. 2021 Oct 1;29(1):31–39. doi: 10.3171/2021.7.PEDS21209

TABLE 2.

Demographics of patients with and those without subdural collections 6 months postoperatively

Characteristic	Subdural Collections 6 Mos Postop (n = 33)	No Subdural Collections 6 Mos Postop (n = 54)
Female sex, n (%)	9 (27)	25 (46)
Median age preop, days (IQR)^*	107 (86–147)	90 (61.5–110.25)
Median preop brain vol, cm³ (IQR)	445 (375.25–525.75)	461.5 (379.75–499.25)
Median preop tissue z-score (IQR)	−3.56 (−4.62 to −1.94)	−3.08 (−4.11 to −1.64)
Median preop CSF vol, cm³ (IQR)^*	936 (679.5–1365.5)	751.5 (502.25–929.75)
Median preop CSF z-score (IQR)^*	7.91 (6.58–8.30)	7.00 (5.73–8.00)
Median preop Bayley-III score (IQR)	1 (1–2)	2 (1–5)
Randomized to VPS, n (%)^*	23 (70)	21 (39)
Received VPS, n (%)^*	27 (82)	24 (44)

Only those patients with 6-month postoperative imaging are included.

Significant at p < 0.05, Fisher’s exact or Wilcoxon rank-sum test.