Table 1 Demographic characteristics, underlying comorbidities, and monthly income in COP and reference cohorts.
From: Association between carbon monoxide poisoning and adrenal insufficiency: a nationwide cohort study
Variable | COP (n = 21,842) | Reference (n = 43,684) | Standardized difference** |
|---|---|---|---|
Age (year) | 36.2 ± 15.4 | 36.2 ± 15.4 | < 0.1 |
Age (year) | |||
< 20 | 2470 (11.3) | 4942 (11.3) | < 0.1 |
20–34 | 8628 (39.5) | 17,256 (39.5) | |
35–49 | 6932 (31.7) | 13,863 (31.7) | |
50–64 | 2678 (12.3) | 5355 (12.3) | |
≥ 65 | 1134 (5.2) | 2268 (5.2) | |
Sex | |||
Female | 10,970 (50.2) | 22,733 (52.0) | < 0.1 |
Male | 10,872 (49.8) | 20,951 (48.0) | |
Underlying comorbidity | |||
Hypertension | 2340 (10.7) | 4310 (9.9) | < 0.1 |
Diabetes | 1242 (5.7) | 2069 (4.7) | < 0.1 |
Hyperlipidemia | 1613 (7.4) | 3005 (6.9) | < 0.1 |
Liver disease | 2856 (13.1) | 4941 (11.3) | < 0.1 |
Thyroid disease | 740 (3.4) | 2403 (5.5) | 0.1 |
Mental disorder | 6350 (29.1) | 9902 (22.7) | 0.1 |
Monthly income (NTD) | |||
< 20,000 | 15,780 (72.3) | 27,341 (62.6) | 0.2 |
20,000–40,000 | 4840 (22.2) | 12,127 (27.8) | |
> 40,000 | 1222 (5.6) | 4216 (9.7) | |
Follow-up period (year) | |||
Mean (standard deviation) | 5.0 (3.5) | 5.4 (3.4) | 0.1 |
Median (Q1–Q3) | 4.7 (2.0–7.7) | 5.2 (2.6–7.9) |