Q1. Calculate the likelihood ratios associated with each of the ICDs listed in the table below. Consider the outcome as having depression - 20 points

Condition	Number of patients with both the condition and depression	Number of patients without the condition but have depression	Number of patients with the condition but don't have depression	Number of patients without both the condition and depression
I291	150	172	300	1284
I323	223	98	0	2561
I289	0	283	274	671
I306	194	671	169	1089
I345	387	149	459	2651
I359	143	387	732	890
I111	0	2063	0	763
I135	691	1045	564	4971
I194	231	894	493	3200
I491	572	1045	873	1100