Table 3.
Standardized incidence ratios for frequent types of nervous system disease that developed after carbon monoxide poisoning from 2012 to 2018 in South Korea
| Nervous system disease | All patients (n=18,720) |
ICU admitted patients (n=1,391) |
Non-ICU patients (n = 17,329) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Obs | Exp | SIR | 95% CI | Obs | Exp | SIR | 95% CI | Obs | Exp | SIR | 95% CI | |
| Disorders of initiation and maintaining sleep | 1,180 | 730.12 | 1.61 | 1.52–1.71 | 163 | 54.20 | 3.00 | 2.56–3.50 | 1,017 | 675.81 | 1.50 | 1.41–1.60 |
| Tension-type headache | 641 | 265.81 | 2.41 | 2.23–2.61 | 29 | 19.81 | 1.47 | 0.98–2.11 | 612 | 246.13 | 2.49 | 2.29–2.69 |
| Anoxic brain injury | 550 | 9.36 | 58.76 | 53.95–63.88 | 202 | 0.72 | 290.44 | 251.76–333.37 | 348 | 8.66 | 40.16 | 36.05–44.61 |
| Migraine, unspecified | 470 | 445.54 | 1.05 | 0.96–1.15 | 34 | 33.11 | 1.03 | 0.71–1.44 | 436 | 412.43 | 1.06 | 0.96–1.16 |
| Post-zoster neuralgia | 233 | 120.18 | 1.94 | 1.70–2.20 | 11 | 8.93 | 1.23 | 0.61–2.20 | 222 | 111.25 | 2.00 | 1.74–2.28 |
ICU, intensive care unit; Obs., Observed; Exp., expected; SIR, standardized incidence ratio; CI, confidence interval.