Table 5.
Comparison of oral habits in studies on oral leukoplakia conducted in Taiwan, a betel quid chewing endemic region
| Author(s) | Location | Date | Case no. (n) | Age | Male/female | Ever alcohol drinking (%)a | Ever cigarette smoking (%)a | Ever betel quid chewing (%)a |
|---|---|---|---|---|---|---|---|---|
| Lee et al31 | Taiwan | 2003 | 125 | 47.9 ± 11.8 | 118/7 | 42.4% (53/125) | 84.8% (106/125) | 77.6% (97/125) |
| Shiu et al26 | Taiwan | 2004 | 164 | 46 ± 14 | 146/18 | 17.07% (28/164) | 76.22% (125/164) | 60.37% (99/164) |
| Lee et al27 | Taiwan | 2006 | 1046 | 50.0 ± 12.1 | 956/90 | 35.37% (370/1064) | 80.78% (845/1064) | 75.9% (794/1064) |
| Yang et al17 | Taiwan | 2010 | 114 | 49.7 ± 12.2 | 90/24 | 31.58% (36/114) | 76.32% (87/114) | 57.89% (66/124) |
| Chuang et al32 | Taiwan | 2018 | 5142 | 47 | 5142/0b | 62.8% (3231/5142) | 94.1% (4838/5142) | 81.8% (4205/5142) |
| Present study | Taiwan | 69 | 71.22 ± 4.89 (all >65)c | 53/16 | 23.19% (16/69)c | 59.42% (41/69)c | 26.09% (18/69)c |
a
Ex‐users and current users were both included.
b
Female patients were excluded in the study.
c
P < .001, statistical comparison between the present study and the five published reports.