Table 2 Influence of different factors on failures in pediatric flexible bronchoscopes
Variable | Description | Case group | Control group | Chi-square value/t value | P |
|---|---|---|---|---|---|
Type of flexible bronchoscope | Fiber bronchoscope | 10 (34.5) | 73 (62.9) | 7.671 | 0.006 |
Electronic bronchoscope | 19 (65.5) | 43 (37.1) | |||
Size of flexible bronchoscope | Small-diameter bronchoscope | 27 (93.1) | 81 (69.8) | 6.613 | 0.01 |
Large-diameter bronchoscope | 2 (6.9) | 35 (30.2) | |||
Work experience of the person responsible for flexible bronchoscope reprocessing | Less | 22 (75.9) | 53 (45.7) | 8.458 | 0.004 |
Rich | 7 (24.1) | 63 (54.3) | |||
Time when failure occurred | The 1st quarter | 11 (37.9) | 25 (21.6) | 8.496 | 0.037 |
The 2nd quarter | 4 (13.8) | 36 (31.0) | |||
The 3rd quarter | 10 (34.5) | 24 (20.7) | |||
The 4th quarter | 4 (13.8) | 31 (26.7) | |||
Work experience of the surgeon | Less | 18 (62.1) | 67 (57.8) | 0.178 | 0.673 |
Rich | 11 (37.9) | 49 (42.2) | |||
Type of surgery | Foreign body removal | 10 (43.5) | 37 (31.9) | 0.792 | 0.715 |
Bronohoalveolarlavage | 17 (58.6) | 74 (63.8) | |||
Other | 2 (6.9) | 5 (4.3) |