Table 1. Summary of Included Studies

1st Author (Year) Sample Size (T:C) Male/Female Period (Mean Period) Treatment Group(T) Control Group(C) Outcome Measurement Result Adverse Events
Age (Mean Age)
Zhang (2000) 98(56:42) T: 39/17C: 29/13 NR 真武汤2 times/d5ds/wk8wk Terfenadine 60㎎2 times/d8wk 1. Curative effect1) 痊愈: No more wheals in cold environment, 1 year later wheal does not appear in cold environment.2) 有效: No more wheals in cold environment, 1 year later wheals can appear in cold environment.3) 无效: Discontinuation of medication immediately causes skin lesions. 1. Curative effect N(%)(痊愈/有效/无效)T: 32(57%)/16(29%)/8(14%)C: 0(0%)/11(26%)/31(74%) NR
T: 24-52C: 28-49
Wang (2004) 60(30:30) NR NR 加味麻黄汤2 times/d2wk Cyproheptadine 2㎎, Cimetidine 200㎎, Vit E 100㎎3 times/d2wk 1. TER*总有效率=痊愈+显效+有效1) 痊愈: All skin lesions subside and subjective symptoms disappear. Cold irritation does not cause skin lesions.2) 显效: Skin lesions subside by more than 60% and subjective symptoms decrease. Cold irritation can cause skin lesions.3) 有效: Skin lesions subside by 30-60% and subjective symptoms decrease. Cold irritation can cause skin lesions immediately.4) 无效: Skin lesions subside by less than 30% and subjective symptoms does not decrease. Cold irritation still cause skin lesions. 1. TER N(%)T: 28(93.33%) > C: 21(70.00%)§ T: mild gastric discomfort(2)C: sleepiness(12)
NR
Yu (2008) 90(52:38) T: 23/29C: 17/21T: 18-67(24.75±5.70)C: 16-68(22.76±5.39) T: 2m-3y(8.75±0.93m)C: 2m-4y(10.26±0.34m) 桂枝汤加减2 times/d2wk Cetirizine HCl 10㎎1 time/d2wk 1. Symptom score1) Itching: 0-32) Number of wheals: 0-33) Size of wheals: 0-34) Frequency of symptom: 0-32. TSS3. TER*总有效率=基本治愈+显效1) 基本治愈: TSSRI≥90%2) 显效: 60%≤TSSRI≤89%3) 进步: 20%≤TSSRI≤59%4) 无效: TSSRI<20% 1. Symptom score1) ItchingT: 0.81±1.02 < C: 2.01±0.31§§2) Number of whealsT: 0.83±1.21 < C: 2.09±0.28§§3) Size of whealsT: 0.69±0.35 < C: 2.01±0.17§§4) Frequency of symptomT: 0.75±0.26 < C: 1.98±0.13§§2. TSST: 3.12±0.14 < C: 7.12±0.54§§3. TER N(%)1) 7 days after treatmentT: 36(69.2%) > C: 16(42.1%)§2) 14 days after treatmentT: 46(88.5%) > C: 18(47.4%)§§ T: noneC: mild fatigue(5), mild dizziness(3), mild drowsiness(2)
Xu (2008) 126(66:60) T: 15/51C: 12/48 T: 3m-6y(2.3y)C: 3m-7y(2.5y) 祛风散寒汤1剂/d60d Cetirizine10㎎1 time/d60d 1. TSS1) Itching: 0-32) Size of wheals: 0-33) Number of wheals: 0-32. TER*总有效率=痊愈+显效1) 痊愈: TSSRI≥90%2) 显效: 60%≤TSSRI<90%3) 有效: 20%≤TSSRI<60%4) 无效: TSSRI<20% 1. TSST: 2.01±0.05 < C: 4.97±1.01§2. TER N(%)T: 61(92.4%) > C: 42(70.0%)§ NR
T: 17-62(32.1)C: 16-60(31.9)
Li (2010) 81(49:32) T: 28/21C: 19/13 T: 3m-6yC: 3m-4.8y 升阳益胃汤加减2 times/d30d Ebastine 10㎎(20㎎ for severe cases)1 time/d30d 1. TSS2. TER*总有效率=痊愈+显效*TSS change rate: (pre treatment TSS - post treatment TSS)/pre treatment TSS1) 痊愈: TSS change rate≥0.92) 显效: 0.6≤TSS change rate<0.93) 好转: 0.2≤TSS change rate<0.64) 无效: TSS change rate<0.23. Relapse rate(After 3m) 1. TSST: 2.13±1.47 < C: 5.64±2.26§2. TER N(%)T: 46(93.9%) > C: 24(75.0%)§§3. Relapse rate(After 3m) N(%)T: 3(10.3%) < C: 7(63.6%)§§ T: noneC: 2(drowsiness, incapacity)*This did not affect daily life and work, and symptoms disappeared after stopping the medication.
T: 13-59(30.3)C: 14-58(32.8)
Li (2011) 92(48:44) T: 22/26C: 20/24 T: 3m-6.5y(3.1±1.13y)C: 2.5m-6.0y(2.8±1.24y) 麻桂各半汤加味2 times/d20d Mizolastine 10㎎1 time/d20d 1. TSS1) Itching: 0-32) Number of wheals: 0-33) Symptom duration: 0-34) Size of wheals: 0-35) Frequency of symptom: 0-36) Ice test: 0-32. TER*总有效率=痊愈+显效+有效*TSS change rate: (pre treatment TSS - post treatment TSS)/pre treatment TSS1) 痊愈: TSS change rate≥0.92) 显效: 0.6≤TSS change rate<0.93) 有效: 0.2≤TSS change rate<0.64) 无效: TSS change rate<0.23. Relapse rate(After 3m) 1. TSST: 3.42±3.27 < C: 6.22±4.54§§2. TER N(%)T: 23(93.75%) > C: 30(72.72%)§§3. Relapse rate(After 3m) N(%)T: 2(4.17%) < C: 6(13.64%)§§ T: noneC: 8(dizziness, drowsiness, incapacity)*This did not affect daily life and work, and symptoms disappeared after stopping the medication.
T: 18-69(37.3±8.2)C: 18-69(34.8±7.6)
Xie (2011) 62(31:31) T: 14/17C: 13/18 NR 温经活血汤3 times/d6wk Mizolastine 10㎎1 time/d6wk 1. TER*总有效率=痊愈+显效+有效1) 痊愈: TSSRI≥90%2) 显效: 60%≤TSSRI<90%3) 有效: 30%≤TSSRI<60%4) 无效: TSSRI<30% 1. TER N(%)T: 26(83.87%) > C: 20(64.52%)§ NR
T: 18-67(33.74±8.57)C: 18-65(34.12±7.84)
Li (2012) 68(37:31) T: 21/16C: 17/14 T: 6m-3.5y(2.1±1.24y)C: 6m-4y(1.94±0.93y) 芪桂祛风汤2 times/d4wk Mizolastine 10㎎1 time/d4wk 1. TER*总有效率=痊愈+显效*Symptom score: Itching, size of wheals, number of wheals each 0-3 points1) 痊愈: TSSRI≥90%2) 显效: 60%≤TSSRI<90%3) 好转: 20%≤TSSRI<60%4) 无效: TSSRI<20% 1. TER N(%)1) After treatmentT: 29(78.38%) > C: 20(64.52%)§2) Follow-up in 2 monthsT: 24(64.86%) > C: 12(38.71%)§ NR
T: 19-55(35.76±10.81)C: 19-53(32.87±8.06)
Liu (2015) 68(34:34) T: 18/16C: 15/19 T: 7d-3yC: 7d-3y 桂附理中汤加味1 time/d1-2wk Loratadine 10㎎(5㎎ for children under 12 years old)1 time/d1-2wk 1. TER*总有效率=痊愈+显效+有效1) 痊愈: Contact with ice or cold water(i.e. ice test), no wheals and no itching.2) 显效: Contact with ice or cold water(i.e. ice test), no wheals and mild itching.3) 有效: Contact with ice or cold water(i.e. ice test), a small amount of wheals and mild itching.4) 无效: Contact with ice or cold water(i.e. ice test), no wheals and itching disappear. 1. TER N(%)T: 33(97.1%) > C: 26(76.5%)§ NR
T: 10-55C: 10-55
Zhao (2015) 180(90:90) T: 48/42C: 41/49 NR 玉屏桂枝乌梅汤2 times/d*If the skin symptoms disappear, take it every day for a week, and take it every other day for two weeks, and if the symptoms recur, take it again every day, and if they do not recur, stop taking it. Cetirizine HCL 10㎖1 time/d*If the skin symptoms disappear, take it every day for a week, and take it every other day for two weeks, and if the symptoms recur, take it again every day, and if they do not recur, stop taking it. 1. TER*总有效率=治愈+显效+有效1) 治愈: The wheals and symptoms disappear and do not recur.2) 显效: The wheals disappear more than 75% and itching and other symptoms are significantly reduced.3) 有效: 30% of the wheals subsides, or the recurrence interval is prolonged after subsiding, itching and other symptoms are relieved.4) 无效: The wheals or itching did not improve significantly, or less than 30%.*The evaluation was carried out 1m after discontinuation of medication. 1. TER N(%)T: 82(91.11%) > C: 32(35.56%)§ NR
T: 5-45(30±8.8)C: 6-43(31±9.2)
Wang (2017) 72(36:36) NR NR 玉桂宁荨汤2 times/d4wk Mizolastine 10㎎1 time/d4wk 1. Symptom score1) Itching: 0-32) Number of wheals: 0-33) Size of wheals: 0-34) Frequency of symptom: 0-32. TER*总有效率=痊愈+显效1) 痊愈: TSSRI≥90%2) 显效: 60%≤TSSRI<90%3) 有效: 30%≤TSSRI<60%4) 无效: TSSRI<30%3. Relapse rate4. IL-6, IL-8, IFN-γ 1. Symptom score1) ItchingT: 1.01±0.82 < C: 1.46±0.13§2) Number of wheals§T: 1.12±0.35 < C: 1.89±0.80§3) Size of whealsT: 1.05±0.37 < C: 1.79±0.82§4) Frequency of symptomT: 1.37±0.78 < C: 1.68±0.88§2. TER N(%)T: 26(72.22%) > C: 16(44.44%)§3. Relapse rate N(%)T: 3(11.53%) < C: 11(68.75%)§4. IL-6, IL-8, IFN-γ(ng/㎖)1) IL-6T: 3.58±2.46 < C: 6.87±3.66§2) IL-8T: 3.96±2.93< C: 2.31±1.78§3) IFN-γT: 25.19±3.71 > C: 19.83±4.79§ NR
NR
Cheng (2018) 70(35:35) T: 16/19C: 17/18 T: 1-24m(17.48±12.08m)C: 1-24m(18.18±11.78m) 加味当归四逆汤2 times/d1wk Cetirizine HCL 10㎎2 times/d1wk 1. TSS1) Number of wheals: 0-32) Itching: 0-32. TER*总有效率=痊愈+显效+有效1) 痊愈: TSSRI≥90%2) 显效: 60%≤TSSRI<90%3) 有效: 20%≤TSSRI<60%4) 无效: TSSRI<20% 1. TSST: 1.65±0.41 < C: 1.87±0.45§2. TER N(%)T: 34(97.1%) > C: 25(71.4%)§ NR
T: 18-60(37.48±12.08)C: 18-60(38.14±11.97)
T: treatment group, C: control group, TER: total effective rate, TSS: total symptom score, d: day, wk: week, m: month, NR: not reported, N: number, IL: interleukin, IFN: interferon, TSSRI: total symptom score reducing index; [(pre treatment score - post treatment score)/pre treatment score]×100%, §: p<0.05, §§: p<0.01