Table 2.

PGI memory scale readings.

S. No	Test	Recording at 24–27 °C Humidity 23% Mean score (S.D.)	Recording at 42–43 °C Humidity 27% Mean score (S.D.)	T score	P value α = 0.05
1	Attention and concentration	9.6 (1.82)	8.96 (1.77)	2.52	0.013
2	Delayed recall	11.88 (0.44)	8.72 (0.84)	33.61	0.001
3	Immediate recall	9.48 (1.94)	6.52 (1.94)	10.77	<0.00001
4	Verbal retention for similar pairs	5.00 (0.00)	4.28 (0.46)	1.5721	0.119
5	Verbal retention for dissimilar pairs	14.84 (0.37)	10.44 (2.48)	17.52	<0.00001
6	Visual retention	12.88 (0.33)	11.24 (2.31)	7.015	<0.00001
7	Recognition	9.96 (0.20)	9.48 (0.65)	2.28	0.0247