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. Author manuscript; available in PMC: 2024 Dec 18.
Published in final edited form as: J Neurosurg Pediatr. 2024 Jul 5;34(4):347–356. doi: 10.3171/2024.3.PEDS22376

TABLE 1.

Clinical and radiological characteristics of patients with high-grade GMH-IVH

Clinical Characteristic High-Grade (n = 43) Grade III (n = 12) Grade IV (n = 31) p Value*
Estimated GA, wks 25.0 (1.9) 25.2 (1.5) 24.9 (2.1) 0.69
Male sex, n (%) 29 (67.4) 10 (83.3) 19 (61.3) 0.28
Birth weight, g 835.2 (178.9) 852.5 (132.8) 828.6 (195.3) 0.70
FTHR 0.52 (0.08) 0.50 (0.06) 0.52 (0.09) 0.48
Medical risk index, median (IQR) 3 (2–5) 3 (2.5–6) 3 (2–5) 0.50
Sociodemographic stressor index, median (IQR) 2 (0–3) 2 (0–3) 2 (0–3) 0.94
General anesthesia events 3.8 (3.6) 4.6 (2.9) 3.5 (3.8) 0.32
Bayley-III score
 Cognition 75.9 (12.7) 81.7 (11.9) 73.7 (12.5) 0.07
 Language 73.7 (25.5) 82.8 (13.5) 70.2 (28.3) 0.06
 Motor 68.6 (17.0) 68.4 (24.4) 68.7 (13.6) 0.98
CP diagnosis, n (%) 30 (69.8) 9 (75.0) 21 (67.7) 0.73
Needs assistance w/ ADLs, n (%) 11 (28.2) 2 (20.0) 9 (31.0) 0.69
Walks freely w/o assistance, n (%) 32 (74.4) 10 (83.3) 22 (71.0) 0.70
Symmetric gait, n (%) 26 (60.5) 10 (83.3) 16 (51.6) 0.08
Toe-walking, n (%) 20 (51.3) 6 (54.5) 14 (50.0) 0.99
Shunt placement, n (%) 19 (44.2) 6 (50.0) 13 (41.9) 0.74
Hemorrhage vol, cm3
 Lt GMH vol 0.14 (0.14) 0.07 (0.06) 0.17 (0.16) 0.006
 Rt GMH vol 0.29 (0.42) 0.09 (0.10) 0.36 (0.47) 0.004
 Lt PVHI vol 0.98 (1.07)
 Rt PVHI vol 1.68 (2.22)

CP = cerebral palsy.

Values are given as mean (SD) unless otherwise indicated. Boldface type indicates statistical significance (p < 0.05).

*

Calculated using Student’s t-test for continuous variables and Fisher’s exact test for categorical variables.

Excludes 4 patients with missing data.

Not applicable as grade III by definition does not have PVHI.