highly significantP < 0.01
The mean serum T4 level was lower in cases (5.85 μg/dl) when compared to controls (7.64 μg/dl) with highly significant ( P < 0.01) [ Graph 7 ].
The mean serum T4 level was lower in cases (5.85 μg/dl) when compared to controls (7.64 μg/dl) with highly significant ( P < 0.01) [ Graph 7 ].