gradual [Adjective] + deterioration [Noun]

Strength Strength Dispersion
A:
15
CHISQ:
3,012.84
AWT:
9,173,643
TTEST:
3.85
G2:
140.64
FAWT:
5.93
MI:
7.66
LOGLOG:
29.94
JD:
0.61
MI3:
15.48
DICE:
1.7
RANGE: