Table 3.

Serum vitamin D levels at pre and post intervention stage amongst patients suffering from different grades of pain

Pain category	Pain score	Mean serum vitamin D level (ng/ml)		t (P)
		Pre intervention Stage	Post intervention Stage
Low (n=4)	≤2	20.82±7.89	47.68±10.23	12.823 (0.001)**
Moderate (n=29)	4-6	17.66±7.31	40.76±10.79	16.455 (0.000)**
Severe (n=17)	8-10	16.08±8.19	35.12±9.31	12.618 (0.000)**

*Significant at 95% level of significance **Significant at 99% level of significance, figures in parenthesis are P