Table 1 Possible factors influencing compliance to the use of high-kV technique for PA chest X-ray: n = 77
Factors | Compliance | Total | Degree of freedom | chi value | p-value | ||
|---|---|---|---|---|---|---|---|
Yes | No | ||||||
Awareness | |||||||
Yes | 57 | 10 (13%) | 47 (61%) | 57 (74%) | 1 | 6.0039 | 0.0642 |
No | 20 | 0 | 20 (26%) | 20 (26%) | |||
Total | 77 | 10 (13%) | 67 (87%) | 77 (100%) | |||
Years in service | |||||||
<5 | 33 | 5 (7%) | 28 (36%) | 33 (43%) | 2 | 4.7929 | 0.0910 |
5–9 | 30 | 4 (5%) | 26 (34%) | 30 (39%) | |||
≥ 10 | 14 | 1 (1%) | 13 (17%) | 14 (18%) | |||
Total | 77 | 10 (13%) | 67 (87%) | 77 (100%) | |||
Imaging system | |||||||
Film/screen | 0 | 18 (23%) | 18 (123%) | 1 | 4.8670 | 0.0273 | |
Digital | 10 (13%) | 49 (64%) | 59 (77%) | ||||
Total | 10 (13%) | 67 (87%) | 77 (100%) | ||||
X-ray tube rating | |||||||
High | 10 (16%) | 52 (68%) | 62 (81%) | 1 | 4.1398 | 0.0419 | |
Low | 0 | 15 (19%) | 15 (19%) | ||||
Total | 10 (13%) | 67 (87%) | 77 (100%) | ||||
Unit with preset exposure factors | |||||||
Yes | 8 (10%) | 35 (46%) | 43 (56%) | ||||
No | 2 (3%) | 32 (41%) | 34 (44%) | 1 | 5.2403 | 0.0221 | |
Total | 10 (13%) | 6 7(87%) | 77 (100%) | ||||
Type of hospital/diagnostic centre | |||||||
Public | 6 (8%) | 40 (52%) | 46 (60%) | 1 | 1.4531 | 0.2280 | |
Private | 4 (5%) | 27 (35%) | 31 (40%) | ||||
Total | 10 (13%) | 67 (87%) | 77 (100%) | ||||