Table 4.

Effects of Removing Data from Individual Cancer Categories on Results of Meta-analysis

Data set removed	RR	95% CI	p	Q (p)	I 2	τ 2	df	p Funnel plot assym
Head and neck removed	0.95	0.835–1.08	0.44	89.6 (<0.001)	65.41	0.075	31	0.615
Lung cancer removed	0.90	0.79–1.01	0.075	167.0 (<0.001)	76.6	0.099	42	0.77
Testicular cancer removed	0.87	0.78–0.98	0.021	165.2 (<0.001)	74.9	0.092	41	0.56
Obesity-associated cancer removed	0.91	0.80–1.03	0.129	168.3 (<0.001)	77.43	0.109	42	0.66
Other cancer types removed	0.91	0.81–1.02	0.115	116.4 (<0.001)	71.55	0.081	39	0.825

Data are analyzed with a Dersimonian–Laird model in JASP. Data in italics show RR significantly different from 1.0.