In the moxibustion group , the time of pain relief was shorter than that of the far-infrared therapy group -LSB- ( @ + / - @ ) min vs ( @ + / - @ ) min on the @st day ; ( @ + / - @ ) min vs ( @ + / - @ ) min on the @nd day ; ( @ + / - @ ) min vs ( @ + / - @ ) min on the @rd day ; ( @ + / - @ ) min vs ( @ + / - @ ) min on the @th day ; ( @ + / - @ ) min vs ( @ + / - @ ) min on the @th day ; ( @ + / - @ ) min vs ( @ + / - @ ) min on the @th day ; ( @ + / - @ ) min vs ( @ + / - @ ) min on the @th day ; ( @ + / - @ ) min vs ( @ + / - @ ) min on the @th day , all P < @ -RSB- .