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目的：观察氯芬待因治疗癌症中度疼痛的疗效。方法：采用按时给药，氯芬待因与可待因进行交叉自身对照观察。结果：氯芬待因与可待因比较，中度以上缓解率为９０ ％ 对６６ ．７ ％ ，统计学处理疼痛强度差两组比较 Ｐ＜ ０ ．００１ ，中度以上疼痛缓解率比较 Ｐ＜ ０ ．００１ 。结论：氯芬待因与可待因比较具有良好镇痛效果，可维持６ ～７ ｈ ，疗效谷峰现象亦明显。
Objective: To observe the efficacy of chlorfenapyr in the treatment of moderate pain in cancer. METHODS: On-time dosing, chlorfenone and codeine were used to cross control observations. RESULTS: Compared with codeine, chlorfenphanin was more than moderately moderately relieved by 90% versus 66%. 7 % of the statistically treated pain intensity difference between the two groups P 0 . 001, moderate pain relief rate P < 0. 001. Conclusion: Chlorphenirone has a good analgesic effect compared with codeine and can be maintained for 6 to 7 h. The effect of Gufeng is also significant.