Table 2.

Important risk factors (Exp (B) > 3).

Sig⩽0.001			0.001ᐸSig⩽0.01
Chinese Character	Main Meaning	Exp (B)	Chinese Character	Main Meaning	Exp (B)
灌	Irrigate	23.237	濠	Hao River	12.661
帻	Scarf	21.217	阆	refer to Lang Garden	12.232
麝	Musk deer	18.463	租	Hire	11.229
庞	refer to Pang Degong Garden	18.202	罅	Cracks in a rock	9.148
漆	Lacquer	18.148	幄	Tent	7.951
邺	Ye City	15.571	释	Buddhist	7.420
泫	Crystal-clear	12.753	帏	Curtain	7.093
鸭	Duck	10.581	荀	Xun, a surname	6.782
疆	refer to Gu Pijiang Garden	8.630	熏	Fumigate	5.895
坡	Slope	8.597	隋	refer to Garden of Sui Dynasty	5.889
杏	Apricot	7.383	汴	Bianzhou	5.253
梨	Pear	6.464	给	refer to Jigudu Garden	5.025
麻	Nettle	5.644	亩	Mu, unit of area	4.937
寝	Sleep	5.297	曛	Dim glow of setting sun	4.501
买	Buy	5.111	逾	Exceed	4.236
蔬	Vegetables	4.508	骖	A team of three horses	4.228
皎	Clear and bright	4.384	塔	Buddhist pagoda	4.107
宸	Imperial palace	4.215	猎	Hunt	3.895
梁	refer to Liang Garden	4.075	职	Duty	3.814
寓	Residence	3.576	渠	Canal	3.569
扉	Door leaf	3.349	宛	Winding	3.551
吴	Wu, a place name	3.274	妃	Wife of a prince	3.546
郊	Suburbs	3.121	畦	Farmland	3.494
悬	Hang	3.091	丰	Enrich	3.165
洛	Luo	3.066	浩	Vast	3.052
陈	Mr. Chen	3.043	迥	Far	3.024