Table 2.
Understanding and implementation of five types of infection control procedures by Beijing dentists in 2000 and 2010
| Items | Coverage rate | χ2 | P-value | Standardised rate | 2010 : 2000 | ||
|---|---|---|---|---|---|---|---|
| 2000 | 2010 | 2000 | 2010 | ||||
| 1 Basic PPE | 52.60 | 97.53 | 394.10 | 0.000* | 53.62 | 97.50 | 1.82 |
| 2 Protection against splatter | 6.03 | 45.64 | 257.28 | 0.000* | 6.04 | 44.90 | 7.43 |
| 3 Hand hygiene | 43.05 | 95.84 | 471.25 | 0.000* | 41.25 | 95.80 | 2.32 |
| 4 HBV vaccination | 32.66 | 68.14 | 169.48 | 0.025 | 33.14 | 69.00 | 2.08 |
| 5 Sterilisation of dental handpiece | 41.24 | 96.10 | 502.26 | 0.000* | 46.51 | 95.90 | 2.06 |
| 1 + 2 | 4.86 | 44.86 | 268.09 | 0.000* | 4.97 | 44.10 | 8.87 |
| 1 + 2 + 3 | 3.35 | 43.43 | 278.86 | 0.000* | 3.51 | 42.60 | 12.14 |
| 1 + 2 + 3 + 4 | 1.51 | 30.95 | 195.02 | 0.000* | 1.59 | 30.90 | 19.43 |
| 1 + 2 + 3 + 4 + 5 | 1.17 | 30.17 | 194.14 | 0.000* | 1.32 | 30.20 | 22.88 |
*
Chi-squared test, P < 0.01.
1 Use of basic personal protective equipment (PPE) (gloves, masks).
2 Protection against splatter during treatment (use of eye protection, gowns, high-volume suction devices).
3 Hand hygiene (hand washing before treatment, changing gloves between treatments, hand washing after removing gloves).
4 Hepatitis B virus (HBV) vaccination.
5 Pressurised steam sterilisation of dental handpieces.