Table 2 Modelled proportions of responders defined using different cutoffs with respect to endpoint scores in SSRI- and placebo-treated patients; n = 5424 (SSRI) and 2485 (placebo).

From: Impact of chosen cutoff on response rate differences between selective serotonin reuptake inhibitors and placebo

 

Modelled proportions of responders

   

HDRS-17 endpoint score

SSRI

Placebo

Difference

p

Odds ratio (95% Cl)

0 p

1.3%*

1.3%*

0.0%*

0.87*

1.04 (0.68–1.58)*

≤1 p

3.8%

3.2%

0.7%

0.25

1.22 (0.87–1.71)

≤2 p

6.9%

5.0%

1.9%

0.01

1.40 (1.07–1.82)

≤3 p

10.9%

7.4%

3.5%

0.0002

1.53 (1.26–1.90)

≤4 p

14.6%

10.4%

4.2%

<0.0001

1.47 (1.22–1.78)

≤5 p

20.5%

14.6%

5.9%

<0.0001

1.51 (1.28–1.78)

≤6 p

26.3%

17.6%

8.6%

<0.0001

1.66 (1.43–1.94)

≤7 p

33.1%

22.3%

10.8%

<0.0001

1.72 (1.50–1.99)

≤7 p (excluding 6–8 p)

24.9%

17.1%

7.9%

<0.0001

1.61 (1.38–1.89)

≤7 p (excluding 5–9 p)

22.4%

15.3%

7.0%

<0.0001

1.59 (1.35–1.88)

≤8 p

37.8%

25.5%

12.2%

<0.0001

1.77 (1.55–2.03)

≤9 p

43.2%

31.6%

11.6%

<0.0001

1.65 (1.45–1.87)

≤10 p

48.8%

36.6%

12.2%

<0.0001

1.65 (1.46–1.87)

HDRS-6 endpoint score

SSRI

Placebo

Difference

p

Odds ratio (95% Cl)

0 p

6.7%

4.6%

2.2%

0.003

1.51 (1.15–1.98)

≤1 p

14.0%

7.9%

6.1%

<0.0001

1.90 (1.55–2.34)

≤2 p

19.8%

11.8%

8.0%

<0.0001

1.85 (1.56–2.19)

≤3 p

29.6%

18.5%

11.2%

<0.0001

1.86 (1.60–2.16)

≤4 p

40.0%

26.3%

13.8%

<0.0001

1.88 (1.64–2.15)

≤4 p (excluding 3–5 p)

30.8%

18.5%

12.3%

<0.0001

1.96 (1.68–2.29)

≤4 p (excluding 2–6 p)

27.4%

16.2%

11.3%

<0.0001

1.96 (1.66–2.31)

≤5 p

49.7%

35.2%

14.5%

<0.0001

1.82 (1.60–2.06)

≤6 p

59.2%

42.4%

16.8%

<0.0001

1.97 (1.74–2.23)

≤7 p

67.4%

51.1%

16.3%

<0.0001

1.98 (1.74–2.24)

≤8 p

75.3%

60.2%

15.0%

<0.0001

2.01 (1.76–2.29)

≤9 p

82.5%

68.0%

14.5%

<0.0001

2.21 (1.92–2.55)

≤10 p

87.8%

76.2%

11.6%

<0.0001

2.25 (1.92–2.63)

Depressed mood endpoint score

SSRI

Placebo

Difference

p

Odds ratio (95% Cl)

0 p

27.1%

15.7%

11.4%

<0.0001

2.00 (1.70–2.34)

≤1 p

66.4%

48.4%

18.0%

<0.0001

2.10 (1.86–2.39)

≤2 p

89.3%

77.6%

11.7%

<0.0001

2.41 (2.05–2.82)

≤3 p

99.6%

99.0%

0.6%

0.04

2.27 (1.05–4.92)

  1. *Unmodelled LOCF population.