Table 2.

Sensitivity analysis and publication bias.

	P	I 2	MD	95%, CI
Original	.008	80%	−0.62	[−1.08, −0.16]
Removed 1	.01	83%	−0.67	[−1.19, −0.16]
Removed 2	.02	82%	−0.63	[−1.16, −0.10]
Removed 3	.02	82%	−0.59	[−1.07, −0.11]
Removed 4	.007	83%	−0.70	[−1.20, −0.20]
Removed 5	.009	82%	−0.76	[−1.33, −0.19]
Removed 6	.01	78%	−0.75	[−1.34, −0.15]
Removed 7	.03	72%	−0.44	[−0.84, −0.04]
Removed 8	.03	71%	−0.44	[−0.84, −0.03]