Meta-analysis and sequential analysis of acupuncture compared to carbamazepine in the treatment of trigeminal neuralgia

Figure 1 Diagram for literature inclusion. CBM: China Biology Medicine disc; CNKI: China National Knowledge Infrastructure; EMBASE: Excerpt Medica Database; RCT: Randomized controlled trial; VIP: VIP Database for Chinese Technical Periodicals; WF: Wanfang Data; WOS: Web of Science.

Figure 2  Overall bias risk map.

Figure 3  Single item bias risk map.

Figure 4  Forest diagram of pain reduction degree.

Figure 5  Regression diagram of Egger’s test method for acupuncture compared to carbamazepine in the treatment of trigeminal neuralgia.

Figure 6  Forest plot of cumulative meta-analysis of pain reduction by publication years.

Figure 7  Trial sequential analysis of pain reduction in the treatment of trigeminal neuralgia with acupuncture compared to carbamazepine.