Table 1. The basic characteristics of the included studies.
| Author/Year | Groups | Sample size | Age (median or mean or range) | Course of disease | Course of treatment (days) | Intervention | Type of psoriasis | Outcomes |
|---|---|---|---|---|---|---|---|---|
| Zhou and Huang, 2005[30] | EG | 143 | 18–60 | 4–28 years | 28 | Coptis chinensis, 10 g; Phellodendron, 20 g; Sophora flavescens, 20 g; garden burnet, 20 g; mahoni, 60 g; pomegranate rind, 15 g; broom cypress fruits, 15 g; groundsel 30 g. | (1) | ① |
| CG | 129 | 18–61 | 5–30 years | 28 | UV-A | (1) | ||
| Liu et al., 2005[31] | EG | 88 | 13–60 | 6.06 years | 40 | Medicated bath: 30 minutes+NB-UVB | (1) | ① |
| CG | 78 | 14–58 | 6.22 years | 40 | NB-UVB | (1) | ||
| Liu et al., 2005[32] | EG | 40 | 15–69 | 6.8 years | 40 | Cynanchum paniculatum, 30 g; Fructus Kochiae, 30 g; purslane, 30 g; Cortex Dictamni, 30 g; white hellebore, 30 g. | (1) | ① |
| CG | 40 | 10–65 | 2.0 years | 40 | Medicated bath: 30 minutes+NB-UVB | (1) | ||
| Liu et al., 2005[32] | EG | 72 | 12–62 | 7.36 years | 40 | NB-UVB | (1) | ① |
| CG | 65 | 13–69 | 7.05 years | 40 | Cynanchum paniculatum, 30 g; Fructus cnidii, 30 g; Sophora flavescens, 30 g; Zanthoxylum, 30 g; Patrinia, 30 g; Polygonum cuspidate, 30 g; purslane, 30 g; salvia, 20 g; Atractylodes, 15 g. | (1) | ||
| Liu et al., 2008[34] | EG | 89 | 13–60 | 6.72 years | 28 | Medicated bath: 30 minutes+NB-UVB | (1) | ①②③ |
| CG | 96 | 14–58 | 7.23 years | 28 | NB-UVB | (1) | ||
| Cui et al., 2008[35] | EG | 62 | 45.82±13.89 | 5.77±4.95 months | 56 | Medical stone. Medicated bath: 20 minutes+NB-UVB | (1) | ①③④ |
| CG | 57 | 38.72±12.17 | 4.47±3.76 months | 56 | NB-UVB | (1) | ||
| Sun et al., 2010[36] | EG | 35 | 18–60 | 6.72 years | 56 | Salvia, 30 g; Angelica sinensis, 30 g; selfheal, l30 g; Fructus Kochiae, 30 g; Cortex Dictamni, 30 g; golden cypress, 30 g; Folium Isatidis, 30 g; Smilax glabra, 30 g. | (1) | ①③④ |
| CG | 33 | 19–58 | 7.23 years | 56 | Medicated bath: 30 minutes+NB-UVB | (1) | ||
| Zhang et al., 2010[37] | EG | 30 | 15–60 | 10.37±9.59 days | 56 | NB-UVB | (1) | ①④ |
| CG | 30 | 12–58 | 10.85±10.46 days | 56 | Galla chinensis, golden cypress, Angelica sinensis, turmeric, Fructus Psoraleae. | (1) | ||
| Luo et al., 2010[38] | EG | 88 | -- | -- | 60 | Medicated bath: 20 minutes+NB-UVB | (1) | ①②③ |
| CG | 85 | -- | -- | 60 | NB-UVB | (1) | ||
| Lin et al., 2010[39] | EG | 95 | 29.52±6.38 | 8.25±3.16 year | 48 | Golden cypress, 30 g; purslane, 30 g; salvia, 30 g; Cortex Dictamni, 30 g; Angelica sinensis, 30 g. Medicated bath: 30 minutes+NB-UVB | (1) | ①③④ |
| CG | 90 | 27.42±6.28 | 7.48±2.86 years | 48 | NB-UVB | (1) | ||
| Shi et al., 2011[40] | EG | 170 | 7–70 | 12.9 years | 56 | Sophora flavescens, 100 g; Fructus cnidii, 50 g; Rehmannia, 50 g; Chrysanthemum indicum, 100 g; Rhizoma Curcumae, 50 g; mirabilite, 200 g; Herba Speranskiae Tuberculatae, 100 g; Chinese mugwort leaf, 100 g. Medicated bath: 20 minutes+NB-UVB | (1) | ①②③ |
| CG | 168 | 8–65 | 13.5 years | 56 | NB-UVB | (1) | ||
| Song et al., 2011[41] | EG | 193 | 48.2±11.5 | 6.52 years | 28 | Salvia, safflower, Rehmannia, Folium Isatidis, Cortex Moutan, Smilax glabra, red peony root, Angelica sinensis, Sparganium stoloniferum, Rhizoma Curcumae, Caulis Spatholobi, Capsicum annuum, dried alum. | (1) | ①②④ |
| CG | 190 | 50.2±8.6 | 7.23 years | 28 | Medicated bath: 30 minutes+NB-UVB | (1) | ||
| Qu et al., 2011[42] | EG | 95 | 36±12.4 | 5.7±3.2 years | 40 | NB-UVB | (1) | ①③④ |
| CG | 95 | 35±12.7 | 6.2±3.5 years | 40 | Smilax glabra, 30 g; Fructus Kochiae, 15 g; Angelica sinensis, 20 g; Cortex Dictamni, 20 g; Cynanchum paniculatum, 20 g; Sophora flavescens, 15 g; Fructus cnidii, 20 g; cocklebur fruit, 15 g; Radix stemonae, 15 g; Cortex Pseudolaricis, 10 g; Tribulus terrestris, 15 g; rhubarb, 10 g. | (1) | ||
| Wang et al., 2011[43] | EG | 50 | 18–65 | 8.6 years | 28 | Medicated bath: 20–30 minutes+NB-UVB | (1) | ①③ |
| CG | 50 | 19–60 | 7.8 years | 28 | NB-UVB | (1) | ||
| Wang et al., 2012[44] | EG | 30 | 16–68 | 1 month-25 years | 30 | Speranskiae Tuberculatae, Cacumen Biotae, Cortex Dictamni, salvia, Angelica sinensis, peach seed, Sophora flavescens, Fructus Kochiae, pearl powder. Medicated bath: 20 minutes+NB-UVB | (1) | ①③④ |
| CG | 30 | 21–70 | 2 months-20 years | 30 | NB-UVB | (1) | ||
| Re et al., 2012[45] | EG | 42 | 19–58 | -- | 40 | Gentiana macrophylla, 30 g; Acorus tatarinowii, 30 g; Sophora flavescens, 30 g; Dioscorea nipponica Makino, 30 g; paniculate swallowwort root, 30 g; Cacumen Biotae, 30 g; paper mulberry fruit leaves, 30 g; figwort root, 30 g. Medicated bath: 30 minutes+ | (1) | ① |
| CG | 40 | 19–58 | -- | 40 | NB-UVB | (1) | ||
| Han et al., 2013[46] | EG | 75 | 17–59 | 35 days-34 years | 40 | NB-UVB | (1) | ①③④ |
| CG | 75 | 18–58 | 28 days-35 years | 40 | pine tar (10%). Medicated bath: 20 minutes+NB-UVB | (1) | ||
| Wang, 2013[47] | EG | 112 | 39.75±10.69 | 5.46±1.24 years | 20 | NB-UVB | (1) | ①③④ |
| CG | 56 | 38.98±11.23 | 5.69±1.29 years | 20 | Radix scutellariae, Patrinia, dandelion, red peony root, Paeonia suffruticosa, salvia, Radix asparagi, Radix rehmaniae recens, Cortex Dictamni, Fuctus Kochiae, Atractylodes. | (1) | ||
| Wang et al., 2013[48] | EG | 60 | -- | -- | 56 | Medicated bath: 30 minutes+ | (1) | ① |
| CG | 63 | -- | -- | 56 | NB-UVB | (1) | ||
| Li, 2014[49] | EG | 32 | 46.45±13.43 | 5.46±4.67 months | 56 | NB-UVB | (1) | ①④ |
| CG | 32 | 46.45±13.43 | 5.46±4.67 months | 56 | the bark of ash, 100 g. Medicated bath: 20–30 minutes+ | (1) | ||
| Wang and Gao, 2014[50] | EG | 53 | -- | -- | 45 | NB-UVB | (1) | ①④ |
| CG | 50 | -- | -- | 45 | NB-UVB | (1) | ||
| Luo et al., 2014[51] | EG | 56 | -- | -- | 24 | Angelica sinensis, 30 g; salvia, 30 g; Fructus Kochiae, 30 g; selfheal, 30 g; golden cypress, 30 g; Cortex Dictamni, 30 g; Smilax glabra, 30 g; Folium isatidis, 30 g. | (1) | ①②③ |
| CG | 52 | -- | 24 | Medicated bath: 30 minutes+NB-UVB | (1) | |||
| Zhou and Yin, 2014[52] | EG | 42 | 46.2±2.3 | 56 | NB-UVB | (1) | ①③ | |
| CG | 42 | 46.2±2.3 | 56 | Sophora flavescens, Chrysanthemum indicum, Cynanchum paniculatum, Viola philippica, Fructus cnidii, honeysuckle, Radix glycyrrhizae. | (1) | |||
| Zhang, 2014[53] | EG | 57 | 35.2±6.7 | -- | Medicated bath: 15–20 minutes+ | (1) | ①④ | |
| CG | 55 | 37.1±6.2 | -- | NB-UVB | (1) | |||
| Zhao et al., 2015[54] | EG | 30 | 21.64±8.9 | -- | NB-UVB | (1) | ① | |
| CG | 30 | 23.64±6.9 | -- | pine tar (10%). Medicated bath: 20 minutes+NB-UVB | (1) |
(1) psoriasis vulgaris;
① total effective rate; ② recurrence rate; ③ incidence of adverse reactions; and ④ psoriasis area and severity index.
EG: experimental group, CG: control group.