Table 3.
Ventilation and disinfection methods in the outpatient consulting room, inpatient tuberculosis (TB) ward, outpatient waiting area and outpatient sputum collection area in TB-designated hospitals
| Outpatient consulting room (N=88) |
Outpatient waiting area (N=88) |
Dedicated sputum collection area (N=56)* |
TB ward (N=74)† |
||||||
|---|---|---|---|---|---|---|---|---|---|
| N | % | N | % | N | % | N | % | ||
| Ventilation method‡ | |||||||||
| Natural ventilation | yes | 79 | 90 | 81 | 92 | 51 | 91 | 66 | 89 |
| Mechanical ventilation | yes | 30 | 34 | 23 | 26 | 19 | 34 | 20 | 27 |
| Central air conditioning | yes | 19 | 22 | 18 | 20 | 9 | 16 | 22 | 30 |
| Air cleaner | yes | 6 | 7 | 2 | 2 | 2 | 4 | 3 | 4 |
| Disinfection method‡ | |||||||||
| Ultraviolet germicidal irradiation | yes | 74 | 84 | 68 | 77 | 44 | 79 | 57 | 77 |
| Circulating air ultraviolet disinfector | yes | 30 | 34 | 22 | 25 | 15 | 27 | 27 | 37 |
| Electrostatic adsorption type air disinfector | yes | 6 | 7 | 4 | 5 | 3 | 5 | 7 | 10 |
| Chemical disinfection | yes | 20 | 23 | 18 | 20 | 14 | 25 | 21 | 28 |
*Only 56 healthcare facilities had dedicated outpatient sputum collection areas.
†Only 74 healthcare facilities had a TB ward.
‡Some healthcare facilities used two ventilation and/or disinfection methods.