Collagen IX gene polymorphisms and lumbar disc degeneration: a systematic review and meta-analysis

Table 5 The result of sensitivity analysis with each study omitted for rs12077871 in COL9A2 and rs61734651 in COL9A3

Study omitted	OR	95% CI	P
rs12077871 C/T
Annunen et al. [4]	0.61	[0.29, 1.30]	0.2
Noponen-Hietala et al. [15]	0.57	[0.26, 1.24]	0.15
Seki et al. [17]	0.41	[0.15, 1.14]	0.09
Song et al. [18]	0.45	[0.17, 1.20]	0.11
Hyun et al. [14]	0.42	[0.15, 1.15]	0.09
Rathod et al. [16]	1.00	[0.81, 1.23]	0.99
rs61734651 C/T
Noponen-Hietala et al. [15]	0.88	[0.30, 2.63]	0.002
Paassilta et al. [12]	0.88	[0.23, 3.33]	0.05
Rathod et al. [16]	0.48	[0.12, 1.93]	0.002
Eskola et al. [21]	0.44	[0.12, 1.65]	0.03

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