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我们在海拔３６００ｍ高原地区，就红景天中药复方对从平原移居到该地区１～２年的受试者劳动能力的影响进行了观察。试验分为药物组（服红景天中药复方）和对照组（服安慰剂），连服９天药。然后用踏阶法测定停药后第１、４和７天时两组受试者的ＰＷＣ１７０。结果为药物组的ＰＷＣ１７０比对照组分别高１２．１％（Ｐ＜０．０１）、９．８％（Ｐ＜０．０５）和３．５％；药物组受试者的ＰＷＣ１７０比服药前分别高１３．３％（Ｐ＜０．０１）、１０．３％（Ｐ＜０．０１）和７．５％（Ｐ＜０．０５）。提示：该药在提高高原人体劳动能力方面具有明显的作用。
We observed the effects of Rhodiola herbal complex on the labor ability of subjects who migrated to plain areas from 1 to 2 years at an altitude of 3600m plateau. The experiment was divided into drug group (Hong Rhodiola herbal compound) and control group (placebo), even for 9 days. The treadmill test was then used to determine PWC 170 for both groups on days 1, 4, and 7 after discontinuation. The results showed that PWC170 in the drug group was 12.1% (P <0.01), 9.8% (P <0.05) and 3.5% higher than the control group, respectively. PWC170 in the drug group was significantly higher than that in the control group Were 13.3% (P <0.01), 10.3% (P <0.01) and 7.5% (P <0.05) respectively. Tip: The drug has a significant role in improving the human ability to work in high altitude.