Table:
Ref.	Investigator	Year	Histological type	Cases (%)	Controls (%)	P value for HWE
CC	CT	TT	CC	CT	TT
[27]	Sarbia et al.	2003	EAC	49.2	47.5	3.3	73.4	25.0	1.6	0.602
[29]	Zhang et al.	2003	ESCC	71.2	21.8	7.0	73.4	25.0	1.6	0.602
[29]	Zhang et al.	2003	ESCC	26.4	47.7	25.9	34.0	49.6	16.3	0.765
[30]	Zhang et al.	2003	EAC	32.3	44.4	23.4	31.5	52.1	16.4	0.390
[28]	Rahden et al.	2005	EAC	65.0	30.0	5.0	71.2	25.0	3.8	0.166
[26]	Marjani et al.	2010	ESCC	54.8	37.6	7.5	44.0	48.0	8.0	0.467

Parse the following content of the photo in markdown code: | Ref. | Investigator | Year | Histological type | <COLSPAN=3> Cases (%) | <COLSPAN=3> Controls (%) | P value for HWE | 
 |  |  |  |  | CC | CT | TT | CC | CT | TT |  | 
 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 
 | [27] | Sarbia et al. | 2003 | EAC | 49.2 | 47.5 | 3.3 | 73.4 | 25.0 | 1.6 | 0.602 | 
 | [29] | Zhang et al. | 2003 | ESCC | 71.2 | 21.8 | 7.0 | 73.4 | 25.0 | 1.6 | 0.602 | 
 | [29] | Zhang et al. | 2003 | ESCC | 26.4 | 47.7 | 25.9 | 34.0 | 49.6 | 16.3 | 0.765 | 
 | [30] | Zhang et al. | 2003 | EAC | 32.3 | 44.4 | 23.4 | 31.5 | 52.1 | 16.4 | 0.390 | 
 | [28] | Rahden et al. | 2005 | EAC | 65.0 |

30.0 | 5.0 | 71.2 | 25.0 | 3.8 | 0.166 | 
 | [26] | Marjani et al. | 2010 | ESCC | 54.8 | 37.6 | 7.5 | 44.0 | 48.0 | 8.0 | 0.467 |