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Table 2 Descriptive statistics of change in mGFR, eGFR (Cockcroft-Gault) and serum creatinine (full analysis set)

From: Evaluation of the effect of tofacitinib on measured glomerular filtration rate in patients with active rheumatoid arthritis: results from a randomised controlled trial

 

mGFR (mL/min/1.73 m 2 )

eGFR (Cockcroft-Gault) (mL/min/1.73 m 2 )

Serum creatinine (mg/dL)

 

Tofacitinib → placebo group

Placebo → placebo group

Tofacitinib → placebo group

Placebo → placebo group

Tofacitinib → placebo group

Placebo → placebo group

Baseline

 Number

97

51

97

51

97

51

 Mean (SD)

88.98 (18.79)

89.67 (21.33)

104.19 (28.42)

111.30 (26.91)

0.77 (0.15)

0.76 (0.17)

 Median (Q1, Q3)

87.98 (75.76, 99.98)

86.99 (75.17, 98.20)

97.22 (82.43, 125.57)

107.22 (91.47, 134.89)

0.76 (0.67, 0.85)

0.75 (0.64, 0.84)

Change at end of period 1 from baseline

 Number

91

46

92

46

92

46

 Mean (SD)

−6.73 (16.44)

−0.50 (17.34)

−3.59 (10.31)

1.28 (11.48)

0.03 (0.07)

−0.00 (0.07)

 Median (Q1, Q3)

−6.46 (−11.85, 2.14)

0.82 (−5.48, 6.79)

−3.36 (−9.18, 2.86)

2.30 (−5.71, 6.14)

0.02 (−0.02, 0.08)

−0.01 (−0.05, 0.04)

Change at end of period 2 from baseline

 Number

86

45

87

44

87

44

 Mean (SD)

−3.02 (17.55)

−5.96 (20.66)

0.03 (10.15)

0.48 (9.54)

0.00 (0.07)

−0.00 (0.05)

 Median (Q1, Q3)

−3.41 (−8.55, 3.65)

−3.88 (−9.13, 7.58)

−0.32 (−6.05, 5.74)

0.18 (−3.81, 4.28)

0.00 (−0.05, 0.05)

0.00 (−0.03, 0.03)

Change at end of period 2 from end of period 1

 Number

86

45

87

44

87

44

 Mean (SD)

2.92 (19.02)

−5.41 (16.65)

3.71 (11.95)

−0.97 (10.06)

−0.03 (0.08)

0.00 (0.07)

 Median (Q1, Q3)

1.68 (−3.60, 8.62)

−3.25 (−12.24, 2.29)

2.94 (−4.45, 10.31)

−2.07 (−7.29, 6.09)

−0.02 (−0.07, 0.03)

0.01 (−0.04, 0.05)

  1. eGFR, estimated glomerular filtration rate; mGFR, measured glomerular filtration rate; Q1, 25th percentile; Q3, 75th percentile; SD, standard deviation.