Table 4.

Frequency distribution of the optimal 52-symptom subset

No.	Symptoms	Frequency	No.	Symptoms	Frequency
1	X6 Duration of pain seizure	454	27	X23 Tinnitus	195
2	X8 Relieving factor	442	28	X15 Fear of cold	194
3	X2 Chest oppression	436	29	X28 Cough	181
4	X5 Seizure frequency	424	30	Y52 Frequent seizure	181
5	X4 Short breath/dyspnea/suffocation	387	31	X75 Impetuosity and susceptibility to rage	179
6	X7 Inducing (aggravating) factor	380	32	X72 The frequent and increased urination at night	164
7	X10 Hypodynamia	363	33	Y317 Fixed pain	146
8	X1 Palpitation	358	34	X48 Thirst with preference for hot water	144
9	Y31 Pain location	348	35	Y73 Aggravating gloom	142
10	X40 Soreness and weakness of waist and knees	282	36	X29 Cough with sputum	141
11	X3 Chest pain	270	37	X13 Amnesia	135
12	X44 Thirsty and dry pharynx	270	38	X9 Edema	134
13	X22 Dizziness and Blurred vision	269	39	X311 Xuli - the apex of the heart	131
14	Y82 Relieving after administration of drug	260	40	Y731 The condition of difficult in falling asleep	130
15	Y61 Transient	257	41	X62 Constipation	126
16	Y72 Inducing (aggravating) after movement	251	42	X291 Color of sputum	124
17	Y51Occasional seizure	245	43	X16 Cold limbs	123
18	Y81 Relieving after rest	242	44	X292 Character of sputum	120
19	X73 Insomnia	241	45	X49 Poor appetite and less amount of food	118
20	X11 Dysphoria	224	46	X32 Gastric stuffiness	105
21	X79 Menopause	222	47	X45 Absence of thirst and no desire for water drink	105
22	X20 Spontaneous sweating	217	48	Y75 Inducing (aggravating) when cloudy or rainy	103
23	X41 Numbness of hands and feet	206	49	X53 Bitter taste	102
24	Y32 Character of pain	205	50	Y294 Difficulty or easy level of coughing with sputum	101
25	X21 Night sweat	201	51	Y71 Seizure when quiet or without inducing factor at night	101
26	Y62 Persistent seizure	198	52	X27 Sore-throat	100