|
Study period
|
180 days
|
|---|
|
Days in 1 period
|
1 day
|
5 days
|
20 days
|
30 days
|
60 days
|
90 days
|
|---|
|
M
|
179
|
35
|
8
|
5
|
2
|
1
|
|---|
|
ORSCL
|
2.02 (1.71–2.37)
|
1.85 (1.58–2.17)
|
1.76 (1.49–2.06)
|
1.72 (1.46–2.02)
|
1.59 (1.33–1.91)
|
1.51 (1.24–1.83)
|
|
ORMH
|
1.67 (1.46–1.92)
|
1.60 (1.39–1.84)
|
1.59 (1.37–1.84)
|
1.61 (1.38–1.88)
|
1.55 (1.30–1.85)
|
1.51 (1.24–1.83)
|
|
ORG
|
1.67 (1.49–1.90)
|
1.60 (1.40–1.83)
|
1.59 (1.39–1.83)
|
1.61 (1.41–1.87)
|
1.55 (1.30–1.81)
|
1.51 (1.24–1.85)
|
- M is the number of control periods
- ORSCL: odds ratio by the standard conditional logistic regression; ORMH: odds ratio by the Mantel-Haenszel method; ORG: odds ratio by the Greenland’s method; 95%CI: 95% confidence interval; 2.5–97.5pct: 2.5 to 97.5 percentiles
