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Table 1 Kaplan-Meier analysis of the cumulative risk of suicide attempts in 13 years of tracking stratified by insomnia with log-rank test

From: Insomnia as an independent predictor of suicide attempts: a nationwide population-based retrospective cohort study

Insomnia With (N = 159,989) Without (N = 319,979) P-value
X-year(s) of suicide attempts Numbers of suicide attempts
1 285 101 < 0.001
2 525 157 < 0.001
3 700 195 < 0.001
4 808 222 < 0.001
5 890 248 < 0.001
6 965 265 < 0.001
7 1020 276 < 0.001
8 1052 286 0.001
9 1070 295 < 0.001
10 1084 296 < 0.001
11 1198 297 < 0.001
12 1198 297 < 0.001
13 1198 297 < 0.001