Epidemiological Characteristics and Survival Studies of Rhabdomyosarcoma in East Egypt: A Five-Year Multicenter Study

Table 6

Relationship between outcome and IRS postsurgical groups, IRS presurgical stages, protocol of treatment, and radiotherapy.

		Survivors		Dead		𝑥^2	P value
		𝑛=25	%	𝑛=16	%
IRS postsurgical group
1	𝑛=11	9	81.8	2	18.2	1.68	0.19
2	𝑛=4	4	100	0	0	1.31	0.25
3	𝑛=8	5	62.5	3	37.5	0.02	0.88
4	𝑛=18	7	38.9	11	61.1	7.32	0.0072*
IRS presurgical stage
I	𝑛=7	7	100	0	0	5.27	0.02*
II	𝑛=4	2	50	2	50	0.22	0.63
III	𝑛=12	9	75	3	25	1.09	0.29
IV	𝑛=18	7	38.9	11	61.1	7.22	0.0012*
Protocol of treatment
VAC	𝑛=28	14	50	14	50	4.47	0.03*
CWS	𝑛=13	11	84.6	2	15.4
Radiotherapy
Yes	𝑛=26	12	46.2	14	53.8	6.56	0.01*
No	𝑛=15	13	86.7	2	13.3

*: significant.