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Table 2 One way ANOVA results for mean bacterial concentration of wards in Gondar University Teaching Hospital, 2015

From: High bacterial load of indoor air in hospital wards: the case of University of Gondar teaching hospital, Northwest Ethiopia

Wards

Mean

Std. error

95 % Confidence interval for mean

Minimum

Maximum

Lower bound

Upper bound

Surgery

974.5000

203.99449

325.2985

1623.7015

589.00

1336.00

Emergency

885.2500

194.66055

265.7533

1504.7467

537.00

1334.00

Orthopedic

720.7500

78.06875

472.3004

969.1996

557.00

924.00

General ward

1084.2500

125.02691

686.3586

1482.1414

799.00

1304.00

Radiology

679.5000

52.02323

513.9389

845.0611

537.00

786.00

Obsetetric

705.0000

65.50954

496.5194

913.4806

563.00

878.00

Medical ward

1271.0000

105.65589

934.7558

1607.2442

1087.00

1454.00

Psychatry

960.7500

160.94066

448.5650

1472.9350

550.00

1310.00

Opthometry

746.7500

97.68433

435.8749

1057.6251

576.00

950.00

TB ward

775.7500

85.58853

503.3691

1048.1309

540.00

944.00

Ward c

1169.2500

165.93843

641.1599

1697.3401

730.00

1468.00

Ward d

583.2500

22.42162

511.8944

654.6056

524.00

629.00

Physiotherapy

736.2500

100.96400

414.9375

1057.5625

480.00

944.00

Kalazar

1005.7500

93.74556

707.4098

1304.0902

839.00

1258.00

Total

878.4286

38.99062

800.2896

956.5675

480.00

1468.00