Table 2.
Summary of environmental features that show the strongest association with patient BTCP of each deployment when compared with individual BTCP episodes and BTCP frequency/severity over 24 hours
| Deployment Number (D.#) | Environmental feature associated with individual episodes of patient BTCP | Environmental feature associated with episodes of patient BTCP over a 24-hour time window | ||
|---|---|---|---|---|
| individual BTCP | individual BTCP severity | BTCP frequency | average BTCP severity | |
| D.1 (n = 98) | Light MCR (r = −0.33) | Light Max (r = 0.26) | Humidity MD (r = 0.84) | Light MD (r = 0.57) |
| D.2 (n = 84) | Light Median Deviation (r = − 0.24) | Noise Median Deviation (r = 0.36) | Noise Max (r = 0.78) | Noise Mean & SD (r = 0.74) |
| D.3 (n = 48) | Light Minimum (r = 0.38) | Noise Mean (− 0.73) | Noise SD (r = 0.60) | Barometric pressure MCR (r = 0.83) |
| D.4 (n = 60) | Barometric pressure MD (r = 0.45) | Light MCR (r = −0.31) | Barometric pressure MD (r = 0.84) | Temperature MD (r = −0.82) |
| D.5 (n = 106) | Barometric pressure SD (r = 0.19) | Noise Median Deviation (r = 0.33) | Barometric pressure Max (r = 0.66) | Light MD (r = −0.59) |
r correlation coefficient: n number of patient BTCP and ‘control’ events.