Table 4.

Meta-regression to predict acupuncture effects on measurement outcomes.

Variables	The response rate	The VAS scores	The duration of the sore throat	Laboratory indicators
				WBC (10^9/L)	CRP (mg/L)
Age	−0.8033 (−2.2756, 0.6689)	0.5529 (−1.2157, 2.3216)	1.4621 (−6.8786, 9.8028)	0.4247 (−0.3280, 1.1774)	0.8478 (−3.4732, 5.1688)
Types of acupuncture	0.1185 (−1.3720, 1.6091)	0.2598 (−0.9280, 1.4477)	/	/	/
Types of treatment group	1.0169 (−0.1100, 2.1438)	1.0963 (0.1775, 2.1050)	−1.2490 (−8.5715, 6.0735)	0.3618 (−0.4800, 1.2035)	0.4924 (−7.8618, 8.8467)
Types of control group	/	−0.7845 (−2.3729, 0.8039)	/	/	/
Treatment course	−0.1109 (−0.4536, 0.2317)	−0.0417 (−0.4271, 0.3438)	−0.6245 (−4.2857, 3.0367)	0.0453 (−0.2665, 0.3571)	0.1569 (−4.7678, 5.0816)
Sample size	−0.2341 (−1.0458, 0.5774)	−0.7811 (−1.9242, 0.3620)	/	−0.2922 (−0.8467, 0.2622)	0.8478 (−5.1688, 3.4732)

CRP = C-reactive protein, WBCs = white blood cells.