Table 2 Data collected during simulated cryotherapy procedures in Ghana. Table represents the four conditions evaluated, the freeze duration, the time interval between freezing, and prevalence of blockage.
No cough technique or conditioner use | Conditioner use without cough | Cough technique without conditioner | Conditioner and cough technique | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Use sequence | Attempted freeze duration (minutes) | Time interval between freezing (minutes) | Blockage* | Attempted freeze duration (minutes) | Time interval between freezing (minutes) | Blockage* | Attempted freeze duration (minutes) | Time interval between freezing (minutes) | Blockage* | Attempted freeze duration (minutes) | Time interval between freezing (minutes) | Blockage* |
1 | 3 | 10 | N | 3 | 15 | N | 3 | Multiple days | N | 5 | 5 | N |
2 | 3 | 5 | Y | 3 | 5 | N | 3 | 5 | N | 5 | 5 | Y |
3 | 5 | 15 | Y | 3 | 5 | N | 5 | 5 | Y | 3 | 5 | N |
4 | 3 | 10 | N | 3 | 5 | N | 3 | 10 | N | 3 | 5 | N |
5 | 3 | 5 | Y | 3 | 10 | N | 3 | 5 | N | 3 | 10 | N |
6 | 3 | 10 | N | 3 | 5 | N | 3 | 10 | N | 3 | 5 | N |
7 | 3 | 5 | Y | 3 | 10 | N | 3 | 5 | Y | 3 | 10 | N |
8 | 5 | 20 | Y | 3 | 5 | N | 5 | 720 | Y | 3 | 5 | N |
9 | 3 | 15 | N | 5 | 10 | N | 3 | 20 | N | 5 | 10 | N |
10 | 3 | 5 | N | 3 | 10 | N | 3 | 5 | Y | 3 | 15 | N |
11 | 3 | 10 | N | 3 | 5 | N | 3 | 10 | N | 3 | 5 | N |
12 | 3 | 5 | Y | 5 | 10 | N | 3 | 5 | N | 3 | 10 | N |
13 | 3 | 10 | N | 5 | 10 | N | 5 | 600 | N | 3 | 5 | N |
14 | 3 | 5 | Y | 3 | 10 | N | 5 | 10 | Y | 3 | 5 | N |
15 | 3 | 10 | N | 3 | 5 | N | 3 | 15 | N | 3 | 5 | N |
16 | 3 | 5 | Y | 3 | 10 | N | 3 | 10 | N | 3 | 5 | N |
17 | 3 | 10 | N | 3 | 5 | N | 3 | 5 | N | 3 | 5 | N |
18 | 3 | 5 | Y | 3 | 10 | N | 3 | 10 | N | - | - | - |
19 | 3 | 10 | Y | 3 | 5 | N | 3 | 5 | N | - | - | - |
20 | 3 | 10 | Y | 3 | 10 | N | 3 | 10 | N | - | - | - |
21 | 3 | 10 | Y | 3 | 5 | N | 3 | 5 | N | - | - | - |
22 | 3 | 10 | Y | 3 | 1440 | N | 5 | 660 | N | - | - | - |
23 | 3 | 10 | Y | 3 | 5 | N | 5 | 10 | Y | - | - | - |
24 | 3 | 5 | N | 3 | 5 | N | 3 | 10 | N | - | - | - |
25 | 3 | 5 | Y | 3 | 5 | N | 3 | 10 | N | - | - | - |
26 | 3 | 10 | N | - | - | - | 5 | 10 | Y | - | - | - |
27 | 3 | 10 | N | - | - | - | 3 | 5 | N | - | - | - |
28 | 3 | 5 | Y | - | - | - | 3 | 5 | N | - | - | - |
29 | 3 | 5 | N | - | - | - | 3 | 5 | N | - | - | - |
30 | - | - | - | - | - | - | 3 | 5 | N | - | - | - |
Mean freezing time: 3.14 min Failure prevalence: 16/29 (55.2%) | Mean freezing time: 3.25 min Failure prevalence: 0/25 (0%) | Mean freezing time: 3.48 min Failure prevalence: 7/30 (23.3%) | Mean freezing time: 3.35 min Failure prevalence: 1/17(5.9%) | |||||||||