Emergency irradiation of 3.4Gy/2f in pineal gland germinoma patients with symptomatic hydrocephalus

Table 3 The correlation between hydrocephalus improvement and clinical factors

	Age at diagnosis		Extend of tumor regression		Radiographic re-evaluation interval		β-HCG
	Correlation coefficient	P value	Correlation coefficient	P value	Correlation coefficient	P valve	Correlation coefficient	P valve
Improvement of maximum width of FN	− 0.192	0.30	0.246	0.18	0.021	0.91	0.223	0.22
Improvement of minimum width of TCC	− 0.204	0.27	0.214	0.25	− 0.063	0.74	0.319	0.081

Abbreviations: FN frontal horn, TCC trunk of corpus callosum, β-HC beta-human chorionic gonadotropin

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