Table 1.
Characteristics of the study population according to use of oral tranexamic acid.
| Non-use of oral tranexamic acid | Use of oral tranexamic acid* | |
|---|---|---|
| No. of Person-Yr (Column Percentage) | ||
| Total | 13,809,120 (100·0) | 2797 (100·0) |
| Age group (years) | ||
| 15–19 | 2035,257 (14·7) | 54 (1·9) |
| 20–24 | 1342,642 (9·7) | 49 (1·8) |
| 25–29 | 1528,323 (11·1) | 101 (3·6) |
| 30–34 | 1886,799 (13·7) | 216 (7·7) |
| 35–39 | 2247,529 (16·3) | 462 (16·5) |
| 40–44 | 2432,309 (17·6) | 803 (28·7) |
| 45–49 | 2336,261 (16·9) | 1112 (39·8) |
| Calendar time | ||
| 1996–1999 | 2178,716 (15·8) | 808 (28·9) |
| 2000–2004 | 3288,351 (23·8) | 763 (27·3) |
| 2005–2009 | 3063,439 (22·2) | 612 (21·9) |
| 2010–2014 | 2962,300 (21·5) | 431 (15·4) |
| 2015–2017 | 2316,314 (16·8) | 183 (6·5) |
| Educational level | ||
| Elementary school only | 6679,445 (48·4) | 878 (31·4) |
| Secondary school only | 1086,276 (7·9) | 147 (5·3) |
| Skilled worker | 3503,158 (25·4) | 1122 (40·1) |
| Theoretical education | 1923,300 (13·9) | 521 (18·6) |
| Theoretical education with research qualifications | 616,941 (4·5) | 129 (4·6) |
| Body-mass index (kg/m2) | ||
| <18·5 | 57,051 (0·4) | 11 (0·4) |
| 18·5–25 | 810,750 (5·9) | 95 (3·4) |
| >25 to 30 | 283,220 (2·1) | 51 (1·8) |
| >30 | 162,209 (1·2) | 38 (1·4) |
| Unknown | 12,495,890 (90·5) | 2602 (93·0) |
| Smoking status | ||
| Yes | 546,774 (4·0) | 117 (4·2) |
| No | 2190,589 (15·9) | 399 (14·3) |
| Unknown | 11,071,757 (80·2) | 2281 (81·6) |
*Five days of exposure to oral tranexamic acid was assumed per 15 g redeemed·
Exposure was assumed to occur from date of filled prescription.