Table 1.

Behavioral parameters measured in the open field tests for 2- and 4-week-old Canton S control and IPLA2-VIA mutant males.

	Canton S	IPLA2-VIA	Mann–Whitney U
2-week-old flies
Total distance covered (mm)
Mean ± SE	2128.00 ± 253.32	2671.78 ± 224.11
Median	1782.35 (N = 62)	3253.69 (N = 63)	U = 1702; p = 0.22
Walking speed (mm/s)
Mean ± SE	13.66 ± 0.13	13.89 ± 0.09
Median	13.75 (N = 56)	13.78 (N = 54)	U = 1297; p = 0.20
Percent of time spent in activity (%)
Mean ± SE	24.89 ± 2.9	31.81 ± 2.65
Median	22.13 (N = 62)	38.62 (N = 63)	U = 1684; p = 0.18
4-week-old flies
Total distance covered (mm)
Mean ± SE	2599.13 ± 405.84	480.23 ± 153.25
Median	3699.91 (N = 26)	163.22 (N = 26)	U = 141; p < 0.001
Walking speed (mm/s)
Mean ± SE	13.59 ± 0.17	13.05 ± 0.28
Median	13.28 (N = 25)	12.36 (N = 22)	U = 139; p < 0.01
Percent of time spent in activity (%)
Mean ± SE	30.83 ± 4.77	6.20 ± 1.97
Median	45.83 (N = 26)	2.00 (N = 26)	U = 143; p < 0.001