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Table 4 Clinical symptoms of the participants

From: Associated factors in distinguishing patients with brucellosis from suspected cases

 Confirmed case
n (%)
Suspected case
n (%)
People without brucellosis
n (%)
C vs S vs PeC vs SC vs PeS vs Pe
X2PX2PX2PX2P
Fever      330.505< 0.0018.4660.004300.494< 0.00186.074< 0.001
 yes732(73.86)252(65.97)811(40.25)         
 no259(26.14)130(34.03)1204(59.75)         
Chills      10.3630.0060.0810.7769.3140.0023.4090.065
 yes117(11.81)43(11.26)168(8.34)         
 no874(88.19)339(88.74)1847(91.66)         
Acratia      7.3030.0260.8120.3677.2350.0070.7940.373
 yes392(39.56)141(36.91)696(34.54)         
 no599(60.44)241(63.09)1319(65.46)         
Hyperhidrosis      119.031< 0.0013.3690.066113.247< 0.00130.548< 0.001
 yes369(37.24)122(31.94)389(19.31)         
 no622(62.76)260(68.06)1626(80.69)         
Dizziness      0.4900.783
 yes21(2.12)8(2.09)50(2.48)         
 no970(97.88)374(97.91)1965(97.52)         
Headache      57.392< 0.0010.2220.63851.125< 0.00121.371< 0.001
 yes235(23.71)86(22.51)269(13.35)         
 no756(76.29)296(77.49)1746(86.65)         
Cough      0.1530.926
 yes20(2.02)8(2.09)45(2.23)         
 no971(97.98)374(97.91)1970(97.77)         
Joint and muscle pain      63.716< 0.0010.1580.69155.357< 0.00123.535< 0.001
 yes359(36.23)134(35.08)470(23.33)         
 no632(63.77)248(64.92)1545(76.67)         
Muscular soreness      24.294< 0.0010.3870.53417.532< 0.00114.175< 0.001
 yes150(15.14)63(16.49)200(9.93)         
 no841(84.86)319(83.51)1815(90.07)         
Omalgia      2.6760.262
 yes43(4.34)16(4.19)65(3.23)         
 no948(95.66)366(95.81)1950(96.77)         
Wrist pain      0.5820.837
 yes5(0.50)1(0.26)7(0.35)         
 no986(99.50)381(99.74)2008(99.65)         
Lumbago      41.410< 0.0012.8990.08941.003< 0.0016.5580.010
 yes198(19.98)61(15.97)228(11.32)         
 no793(80.02)321(84.03)1787(88.68)         
Coxalgia      19.362< 0.0010.0920.76215.361< 0.00110.8470.001
 yes63(6.36)26(6.81)66(3.28)         
 no928(93.64)356(93.19)1949(96.72)         
Sacroiliac pain      0.9250.738
 yes3(0.30)2(0.52)6(0.30)         
 no988(99.70)380(99.48)2009(99.70)         
Gonalgia      10.6610.0050.7480.3876.0650.0147.5600.006
 yes140(14.13)61(15.97)222(11.02)         
 no851(85.87)321(84.03)1793(88.98)         
Dolor vagus      27.616< 0.0010.1430.70521.253< 0.00113.960< 0.001
 yes224(22.60)90(23.56)317(15.73)         
 no767(77.40)292(76.44)1698(84.27)         
Lymphatic swelling      4.5800.079
 yes2(0.20)3(0.79)3(0.15)         
 no989(99.80)379(99.21)2012(99.85)         
Enlargement of testis      21.422< 0.0010.2320.63020.433< 0.0017.8830.005
 yes42(4.24)14(3.66)31(1.54)         
 no949(95.76)368(96.34)1984(98.46)         
  1. C Confirmed case; S Suspected case; Pe People without brucellosis
  2. Primary edu: primary education; Junior edu: Junior middle school education; Senior edu: Senior middle school education