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Table 5 ECG data of 151 women before and after 9 cycles of 4 mg drospirenone

From: Efficacy and cardiovascular safety of the new estrogen-free contraceptive pill containing 4 mg drospirenone alone in a 24/4 regime

Parameter

Visit

 

Drospirenone

Desogestrel

LS Mean Difference

90% CI

Summary (mean)

Visit 1b

n

151

56

 

Heart rate (bpm)

 

Mean (SD)

72.9 (9.4)

72.6 (10.1)

0.31 [−2.17; 2.80]

  

Median

73.0

71.5

 
  

Min/ Max

51/106

49/102

 
 

Visit 5/EDV

n

138

58

 
  

Mean (SD)

70.7 (10.7)

72.7 (12.3)

−1.97 [−4.86; 0.92]

  

Median

71.0

70.5

 
  

Min/ Max

50/102

49/104

 
 

Change from V1b

n

132

54

 
  

Mean (SD)

−2.5 (10.3)

0.3 (11.7)

−2.81 [−5.67; 0.05]

  

Median

−3.0

0.0

 
  

Min/ Max

−34/18

−28/32

 

Summary (mean)

Visit 1b

n

151

56

 

RR Duration

 

Mean (SD)

830.8 (109.1)

836.5 (117.2)

−5.66 [−34.43; 23.11]

(ms)

 

Median

821.0

832.5

 
  

Min/ Max

564/1162

586/1223

 
 

Visit 5/EDV

n

138

58

 
  

Mean (SD)

861.7 (133.4)

842.0 (139.3)

19.68 [−15.27; 54.64

  

Median

835.0

843.0

 
  

Min/ Max

586/1200

572/1218

 
 

Change from V1b

n

132

54

 
  

Mean (SD)

35.5 (121.8)

2.3 (125.9)

33.19 [0.33; 66.04]

  

Median

29.5

0.5

 
  

Min/ Max

−198/391

− 306/260

 

Summary (mean)

Visit 1b

n

151

56

 

PR duration (ms)

 

Mean (SD)

150.0 (26.0)

150.2 (18.7)

−0.22 [−6.50; 6.06]

  

Median

147.0

150.0

 
  

Min/ Max

91/305

115/207

 
 

Visit 5/EDV

n

138

58

 
  

Mean (SD)

151.1 (21.4)

150.8 (17.8)

0.35 [−4.93; 5.63]

  

Median

149.5

152.5

 
  

Min/ Max

105/242

111/198

 
 

Change from V1b

n

132

54

 
  

Mean (SD)

−0.6 (17.6)

− 0.2 (11.6)

 
  

Median

0.0

0.0

−0.41 [−4.72; 3.90]

  

Min/ Max

−117/73

−41/35

 

Summary (mean)

Visit 1b

n

151

56

 

QRS duration

 

Mean (SD)

90.9 (8.1)

89.6 (8.3)

1.31 [−0.79; 3.42]

(ms)

 

Median

90.0

89.0

 
  

Min/ Max

74/118

70/107

 
 

Visit 5/EDV

n

138

58

 
  

Mean (SD)

92.0 (8.4)

88.4 (8.6)

3.58 [1.40; 5.77]

  

Median

92.0

87.5

 
  

Min/ Max

71/115

68/106

 
 

Change from V1b

n

132

54

 
  

Mean (SD)

1.5 (5.4)

−1.1 (5.0)

2.55 [1.13; 3.97]

  

Median

1.0

0.0

 
  

Min/ Max

−13/20

− 12/8

 

Summary (mean)

Visit 1b

n

151

56

 

QT duration (ms)

 

Mean (SD)

383.3 (22.1)

385.3 (19.9)

−1.96 [−7.52; 3.60]

  

Median

382.0

384.5

 
  

Min/ Max

332/437

335/438

 
 

Visit 5/EDV

n

138

58

 
  

Mean (SD)

390.8 (23.0)

384.3 (27.1)

6.50 [0.22; 12.78]

  

Median

389.0

387.0

 
  

Min/ Max

330/454

317/442

 
 

Change from V1b

n

132

54

 
  

Mean (SD)

8.0 (22.0)

−0.9 (20.5)

8.90 [3.13; 14.68]

  

Median

6.0

3.5

 
  

Min/ Max

−43/70

−49/51

 

Summary (mean)

Visit 1b

n

151

56

 

QTcB - Bazett’s

 

Mean (SD)

421.5 (17.3)

422.8 (20.5)

−1.33 [−6.05; 3.38]

Correction Formula

 

Median

420.0

420.5

 

(ms)

 

Min/ Max

377/473

382/466

 
 

Visit 5/EDV

n

138

58

 
  

Mean (SD)

422.7 (19.2)

420.6 (17.5)

2.14 [−2.70; 6.98]

  

Median

423.0

418.5

 
  

Min/ Max

373/483

392/463

 
 

Change from V1b

n

132

54

 
  

Mean (SD)

0.7 (15.8)

−1.5 (20.7)

2.19 [−2.44; 6.82]

  

Median

−1.0

−5.0

 
  

Min/ Max

−44/40

−41/61

 

Summary (mean)

Visit 1b

n

151

56

 

QTcF - Fridericia’s

 

Mean (SD)

408.0 (14.7)

409.5 (15.1)

−1.56 [−5.40; 2.27]

Correction Formula

 

Median

407.0

410.0

 

(ms)

 

Min/ Max

374/461

370/436

 
 

Visit 5/EDV

n

138

58

 
  

Mean (SD)

411.4 (14.5)

407.7 (14.8)

3.69 [−0.09; 7.47]

  

Median

410.5

407.0

 
  

Min/ Max

371/458

381/450

 
 

Change from V1b

n

132

54

 
  

Mean (SD)

3.2 (12.3)

−1.3 (14.5)

4.55 [1.09; 8.02]

  

Median

4.0

−2.0

 
  

Min/ Max

−28/48

−30/43