| 
      1: Length of esophagus
        | characters | counties | Total |  
        | Masjed Solleiman  | Behbahan  | Bagh Mallek  | Shoushtar  | Mean ± SD |  
        | n | 10 | 10 | 10 | 10 | 40 |  
        | L | 715-552(547.2±6.4) | 595-690(576.2±6.4) | 425-620(616±6.4) | 512-730(616±6.4) | 606± 27.6(425-730) |  
        | a | 33.9-40(30.9±6.3) | 27.6-35.6(25.7±6.4) | 30-39.8(35±5.6) | 27.5-40.2(31±5.4) | 33.9 ± 5.4
          (27.5-35.6) |  
        | b | 5.8-6.9(5±0.9) | 6.2-6.9(6.4±0.7) | 4.1-7.3(6.1±0.6) | 5.4-6.7(5.7±0.8) | 6.3 ± 0.7 (4.1-7.3) |  
        | b′ | 3.8-6.2(5±0.9) | 4-5.5(4.6±0.7) | 3.4-5.5(4.8±1.1) | 5.2-5.5(4.1±1.1) | 4.6 ± 1 (3.4-6.2) |  
        | c | 18.9-22.1(20.1±2.9) | 12.8-22.3(20±2) | 19.9-23.8(20±1.5) | 18-20.9(21±2.5) | 20.5 ± 2.1 (12.8-23.8) |  
        | c′ | 1.3-2.6(1.9±0.5) | 1.7-2.5(1.9±0.5) | 1.6-2.1(2±0.4) | 1.5-2.6(2.2±0.4) | 2.1 ± 0.4 (1.3-2.6) |  
        | V | 77-79(77.6±1.4) | 76-78(77±1.2) | 79-79.9(77.3±1.05) | 76-78(78±1.3) | 77.6 ± 1.2 (76-79.9) |  
        | Stylet | 15-16(15.3±0.5) | 15-16(16±1.1) | 16-18(16.3±0.7) | 15-17(15.9±1) | 16.1 ± 1 (15-18) |  
        | m | 44.4-44.6(44±2.4) | 45-50.3(45.5±2.6) | 41-48(44.4±3) | 45.2-48.9(47±2.6) |  46 ± 2.6 (41-50.3) |  
        | Oeso1 | 99-103(100±2.1) | 97-99(98.3±4.4) | 83-96(95±6.4) | 93-110(103.5±8.4) | 99.6 ± 6.5 (83-110) |  
        |      Over2 | 30-45(36±7.7) | 30-39(38±2.1) | 35-49(47±8.4) | 25-55(41.8±11.54) | 41.7 ± 8.9 (25-55) |  
        | Exc.pore | 65-90(86.5±8.7) | 87-95(88.2±1.5) | 78-90(75.8±1.1) | 90(90±0) | 85.1 ± 9.3 (65-95) |  
        | Bw | 17-20(18±1.5) | 19-26(19.4±1) | 17-21(8±1.9) | 15-19(17±1.7) | 18.9 ± 1.9 (15-26) |  
        | G% | 23(22.4±2.9) | 25.3(24.4±1.2) | 18.9-19(19±5.4) | 21-24.2(22.12±2.7) | 22.1 ± 4.6 (18.9-24.2) |  
        | Pus | 15-18(16±4.7) | 20-27(19.4±2) | 14-20(19.4±2.9) | 19-27(18.7±4.9) | 19.6 ± 4.3 (14-27) |  
        | Tail | 25-45(34.2±7.2) | 35-40(35±10.5) | 30(30±0) | 26-30(30.6±4.7) | 34.4 ± 6.8 (25-45) |  
        | ABW | 11(11±0) | 11-13(12.7±2.2) | 11-13(13±0.5) | 11-14(11.9±1.5) | 14.8 ± 1.3 (11-14) |  
        | DGO | 2 | 2 | 2 | 2 | 2±  0 (2) |  
        | mB% | 52.4-53.6(53±0.4) | 51-62.4(59±5.1) | 51(51±0) | 51.9-57(55.3±3) | 55.3 ±  4.3 (51-62.4) |  
        | Gl | 90-125(107±12.1) | 95-99.1(99±6.3) | 125(125±0) | 95-110(109±14.5) | 107.6 ± 12.8 (90-125) |  
        | V-an | 79-125(108±17) | 90-120(100±12.9) | 78-110(199.3±14.8) | 98-119(116.9±6.8) | 104.1 ± 15.6 (78-125) |  2: The esophageal glands overlap the intestine
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