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Table 2 Signal strength of drugs associated with melasma adverse reactions from the FAERS database (meeting criteria of all four disproportionality analysis methods)

From: Melasma secondary to drugs: a real-world pharmacovigilance study of the FDA adverse event reporting system (FAERS)

DRUG

CaseNumbers

ROR(95%Cl)

PRR(χ2)

EBGM(EBGM05)

IC(IC025)

Ethinylestradiol and norethindrone

7

204.8(96.96-432.57)

204.48(1393.52)

201.05(107.55)

7.65(5.98)

Ethinylestradiol and norelgestromin

44

184.65(135.07-252.44)

184.42(7175.69)

164.97(126.99)

7.37(5.69)

Ethinylestradiol and levonorgestrel

10

148.94(79.5-279.03)

148.78(1432.49)

145.22(85.88)

7.18(5.51)

Ethinylestradiol and norgestimate

6

110.47(49.32-247.43)

110.38(640.95)

108.8(55.41)

6.77(5.09)

Ethinylestradiol and desogestrel

3

83.06(26.67-258.71)

83.01(241.32)

82.42(31.86)

6.36(4.69)

Conjugated estrogens and

medroxyprogesterone acetate

6

42.61(19.03–95.43)

42.6(240.23)

42(21.39)

5.39(3.72)

Ethinylestradiol and drospirenone

34

35.78(25.19–50.81)

35.77(1054.91)

32.92(24.54)

5.04(3.37)

Encorafenib

3

27.76(8.91–86.43)

27.75(76.81)

27.56(10.65)

4.78(3.11)

Levonorgestrel

66

26.71(20.53–34.75)

26.71(1373.39)

22.62(18.15)

4.5(2.83)

Conjugated estrogens

5

16.3(6.75–39.38)

16.3(70.95)

16.12(7.71)

4.01(2.34)

Estradiol

10

15.9(8.49–29.77)

15.9(136.23)

15.54(9.19)

3.96(2.29)

Ethinylestradioland etonogestrel

7

14.24(6.75–30.06)

14.24(84.71)

14.02(7.5)

3.81(2.14)

Metronidazole

5

14.05(5.82–33.94)

14.05(59.88)

13.89(6.64)

3.8(2.12)

Clarithromycin

4

10.45(3.9-27.99)

10.45(33.87)

10.36(4.55)

3.37(1.7)

Finasteride

5

9.79(4.05–23.64)

9.79(38.97)

9.68(4.63)

3.28(1.6)

Medroxyprogesterone acetate

3

8.61(2.76–26.8)

8.61(20.02)

8.55(3.31)

3.1(1.42)

Isotretinoin

8

8.58(4.26–17.28)

8.58(52.57)

8.44(4.7)

3.08(1.4)

Anastrozole

3

7.44(2.39–23.17)

7.44(16.6)

7.39(2.86)

2.89(1.21)

Ribavirin

3

7.33(2.35–22.82)

7.33(16.28)

7.28(2.82)

2.86(1.19)

Paroxetine

8

6.49(3.22–13.06)

6.49(36.42)

6.38(3.55)

2.67(1)

Abemaciclib

5

6.49(2.68–15.66)

6.48(22.92)

6.42(3.07)

2.68(1.01)

Imatinib

7

5.92(2.8-12.49)

5.92(28.11)

5.83(3.12)

2.54(0.87)