1.0) was observed (P = 0.162). In a formal study (28 experiments), a similar trend was observed, with Qigong-treated samples showing on average more colony formation than sham samples (P = 0.036). In a replication study (60 experiments), no significant difference between Qigong-treated samples and sham samples was observed (P = 0.465). Conclusion We observed an apparent increase in the proliferation of cultured cells following external Qigong treatment by practitioners under strictly controlled conditions, but we did not observe this effect in a replication study. These results suggest the need for more controlled and thorough investigation of external Qigong before scientific validation is claimed."/>
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Figure 1 | BMC Complementary and Alternative Medicine

Figure 1

From: In vitro test of external Qigong

Figure 1

Colony forming efficiency ratios for three studies. Natural Log Qigong/sham ratios are graphed for all experiments in the pilot study (left), the first formal study (middle) and the replication study (right). Qigong/sham ratios are shown as solid circles; sham/sham ratios are shown as open circles.

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