Relationship between the extent of resection and the survival of patients with low-grade gliomas: a systematic review and meta-analysis

Table 2 Subgroup meta-analysis results

Study Factors	NO. of Included Studies	NO. of Patients	Survival Rate	Odds Ratio M-H,Fixed (95%CI)	P-value	I²statistics, P-value
Five-Year Overall Survival
GTR	16	336	80.06%	3.90 [2.79,5.45]	P< 0.00001	0%, 0.83
STR	16	992	54.33%	3.90 [2.79,5.45]	P< 0.00001	0%, 0.83
GTR	9	184	72.28%	5.43 [3.57, 8.26]	P<0.00001	24%, 0.21
BX	9	573	37.52%	5.43 [3.57, 8.26]	P<0.00001	24%, 0.21
STR	10	464	50.65%	2.59 [1.81, 3.71]	P< 0.00001	27%, 0.20
BX	10	509	31.43%	2.59 [1.81, 3.71]	P< 0.00001	27%, 0.20
Five-Year Overall Survival
GTR	11	224	67.86%	7.91[5.12,12.22]	P< 0.00001	12%, 0.33
STR	11	683	29.72%	7.91[5.12,12.22]	P< 0.00001	12%, 0.33
GTR	5	85	45.88%	10.17[4.02,25.71]	P< 0.00001	0%, 0.55
BX	5	100	12%	10.17[4.02,25.71]	P< 0.00001	0%, 0.55
STR	6	228	29.82%	2.21[1.16,4.25]	P = 0.020	0%, 0.83
BX	6	120	13.33%	2.21[1.16,4.25]	P = 0.020	0%, 0.83

ISSN: 1471-2407