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Table 3 Changes from baseline in CMV and EBV viral load in patients receiving placebo or tofacitinib 2 mg, 5 mg or 15 mg BID

From: Effects of tofacitinib on lymphocyte sub-populations, CMV and EBV viral load in patients with plaque psoriasis

 

Baseline status

Post-baseline status

Chi-squared p value (vs placebo)

Overall p value (vs baseline)

Patients with CMV undetectable at baseline

Undetectable N (n)

Remained undetectable n (%)

Became detectable n (%)

  

Placebo

49 (46)

44 (95.7)

2 (4.3)

N/A

0.0001

Tofacitinib 2 mg BID

48 (46)

41 (89.1)

5 (10.9)

0.2381

Tofacitinib 5 mg BID

48 (45)

42 (93.3)

3 (6.7)

0.6274

Tofacitinib 15 mg BID

49 (48)

32 (66.7)

16 (33.3)

0.0004

Patients with CMV detectable at baseline a

Detectable N (n)

Remained detectable n (%)

Became undetectable n (%)

  

Placebo

1 (1)

0 (0)

1 (100.0)

N/A

Tofacitinib 2 mg BID

1 (1)

0 (0)

1 (100.0)

Tofacitinib 5 mg BID

1 (1)

0 (0)

1 (100.0)

Tofacitinib 15 mg BID

0 (0)

0 (0)

0 (0)

Patients with EBV undetectable at baseline

Undetectable N (n)

Remained undetectable n (%)

Became detectable n (%)

  

Placebo

28 (20)

18 (90.0)

2 (10.0)

N/A

0.0122

Tofacitinib 2 mg BID

30 (25)

14 (56.0)

11 (44.0)

0.0124

Tofacitinib 5 mg BID

26 (19)

15 (78.9)

4 (21.1)

0.3390

Tofacitinib 15 mg BID

31 (28)

14 (50.0)

14 (50.0)

0.0038

Patients with EBV detectable at baseline

Detectable N (n)

Remained detectable n (%)

Became undetectable n (%)

  

Placebo

21 (19)

9 (47.4)

10 (52.6)

N/A

0.1299

Tofacitinib 2 mg BID

18 (13)

9 (69.2)

4 (30.8)

0.2208

Tofacitinib 5 mg BID

21 (14)

10 (71.4)

4 (28.6)

0.1669

Tofacitinib 15 mg BID

17 (14)

12 (85.7)

2 (14.3)

0.0236

  1. aA statistical comparison of change in CMV detectability from detectable at baseline to undetectable post-baseline was not possible due to limited sample size.
  2. BID, twice daily; CMV, cytomegalovirus; EBV, Epstein-Barr virus; N, number of patients with baseline values; n, number of patients with baseline and post-baseline values; N/A, not applicable.