Table 2 Characteristics of included studies.

From: Comparative study of safflower yellow adjuvant to conventional treatment regimen and conventional treatment regimen on diabetic nephropathy

Study ID

Age

Sample size

The dosage regimen

Course

Evaluation indicator

Treatment

group

Control

group

Treatment

group

Control

group

Treatment group

Control group

Xuemei Bai 201219

55.8 ± 7.6

56.0 ± 7.9

30

30

CT + SY 200 mg

CT

30d

Xijing Bao 201720

49.74 ± 7.03

50.45 ± 7.12

40

40

CT + Metformin hydrochloride 2 g + SY 100 mg

CT + Metformin hydrochloride 2 g

14d

Yan Gao 201521

65.0 ± 5.8

64.6 ± 5.7

60

60

CT + Benazepril 10 mg + SY 100 mg

CT + Benazepril 10 mg

28d

Zhi Li 201222

61.3

61.3

30

30

CT + Losartan potassium 50 mg + SY100mg

CT + Losartan potassium 50 mg

15d

Jingjing Liu 201923

56.72 ± 6.03

57.36 ± 5.87

55

55

CT + Metformin 5 mg + SY100mg

CT + Metformin 5 mg

21d

Xiang Fang 201724

65.3 ± 12.8

66.4 ± 11.5

52

50

CT + SY 150 mg

CT

14d

Tianlin Qiu 201325

52.7 ± 7.1

51.6 ± 6.6

44

42

CT + Valsartan 80 mg + SY 100 mg

CT + Valsartan 80 mg

30d

Yiming Wang 201726

51.18 ± 12.67

50.66 ± 11.27

60

60

CT + Metformin 4.0 g + SY 100 mg

CT + Metformin 4.0 g

14d

Lijun Duan 201727

55.21 ± 4.35

55.21 ± 4.35

60

60

Alprostadil injection 10 μg + SY 100 mg

Alprostadil injection 10 μg

14d

Yongli Feng 201628

53.7 ± 7.1

50.6 ± 6.6

30

30

CT + SY and sodium chloride injection100 ml + Xylitol injection 150 ml + Shenmai injection 50 ml

CT + SY and sodium chloride injection100 ml

14d

Yuxia Xiao 201629

59.5 ± 12.4

58.9 ± 13.2

40

40

CT + SY injection 100 ml

CT

28d

Yan Gao 201530

51.13 ± 7.42

51.13 ± 7.42

44

44

CT + Telmisartan tablets 80 mg + SY 100 mg

CT + Telmisartan tablets 80 mg

28d

Hailiang Yu 201431

40 ~ 76

40 ~ 76

36

32

CT + SY 100 mg

CT + Compound salvia miltiorrhiza 20 ml

14d

Zhenfu Fang 201532

55.8 ± 7.6

56.0 ± 7.9

45

45

CT + Valsartan 80 mg + SY injection 100 ml

CT + Valsartan 80 mg

56d

Shengkai Wu 201933

54.24 ± 2.91

54.24 ± 2.91

50

50

CT + SY injection 20 ml

CT

28d

Rui Xie 201834

56.1 ± 8.4

55.1 ± 8.0

34

34

CT + Sulodexide 3 pills + SY 100 mg

CT + Sulodexide 3 pills

21d

Tongdao Xu 201435

36.8 ± 14.2

36.8 ± 14.2

18

18

CT + Pancreatic kininogenase + SY injection 100 ml

CT + Pancreatic kininogenase

21d

Shufeng Yan 201536

45.6 ± 4.6

45.3 ± 4.5

36

36

CT + Valsartan 80 mg + SY 100 mg

CT + Valsartan 80 mg

30d

Bikui Yang 201137

59 ± 7.7

59 ± 7.7

38

34

CT + SY 100 mg

CT + Compound salvia miltiorrhiza 20 ml

14d

Xingshun Yang 200738

53.4 ± 5.4

53.5 ± 5.6

24

24

CT + Safflower yellow 80 mg

CT + Salvia miltiorrhiza 20 ml

28d

Xiaoping Yang 201239

66

66

34

33

SY 100 mg + alpha-lipoic acid 600 mg

Conventional western medicine treatment

15d

Siyu Jiao 201240

58

56

30

30

CT + SY injection

( Acupoint injection therapy, 2 ml per acupuncture point)

CT

30d

Meilan Yin 201841

55.89 ± 5.20

56.44 ± 5.20

52

53

CT + SY 100 mg

CT

14d

Yong Guo 201042

48 ± 11.6

48 ± 11.6

42

39

CT + SY 100 mg

CT + Danhong injection 20 ml

14d

Lihua Yang 201043

58.6

58.3

30

30

CT + SY 100 mg

CT

14d

Dengzhou Guo 200844

47.3 ± 12.6

46.9 ± 13.2

39

37

CT + Benazepril 10 mg + SY 150 mg

CT + Benazepril 10 mg

30d

Xiangying Zhang 201045

48 ~ 80

46 ~ 78

36

36

CT + Irbesartan150mg + SY 100 mg

CT + Irbesartan150mg

28d

Zhaoming Shi 201546

48

48

45

45

CT + Valsartan 80 mg/d + SY 150 mg

CT + Valsartan 80 mg/d

84d

  1. SY, Safflower yellow; CT, Conventional treatment; d, day;  = FBG, Fasting blood-glucose;  = UAER, Urinary albumin excretion rate;  = Scr, Serum creatinine;  = BUN, Blood urea nitrogen;  = Clinical efficacy.