Table 1 Selected characteristics of the incidence of hospital diagnosed chronic kidney disease / chronic kidney disease of uncertain origin, screening details for chronic kidney disease / chronic kidney disease of uncertain origin and provision of drinking water reverse osmosis plants in Anuradhapura and Polonnaruwa districts from 2010–2016 period and 2017–2020 period

 Total CKD/CKDu cases

4443 (22.9%)

8547 (44.1%)

6388 (33.0%)

2425 (21.6%)

3973 (35.4%)

4820 (43.0%)

Mean annual incidence of hospital diagnosed CKD/CKDu (per 100 000 population)

 District

 (SD)

129.07

(8.46)

331.06

(50.10)

185.57

(71.09)

F = 14.17

P = 0.0024

149.29

(34.81)

326.12

(98.80)

296.73

(104.11)

F = 4.79

P = 0.042

 Male population

 (SD)

175.73

(9.95)

406.73

(60.23)

253.93

(93.29)

F = 11.00

P = 0.0051

215.41

(44.88)

424.51

(115.41)

374.79

(137.03)

F = 3.93

P = 0.0649

 Female population

  (SD)

84.57

(9.90)

258.89

(40.55)

120.38

(50.23)

F = 20.07

P = 0.0008

84.63

(25.30)

229.90

(84.31)

220.40

(72.76)

F = 6.24

P = 0.0233

  < 39 years age group

  (SD)

14.59

(1.94)

41.05

(6.22)

23.36

(5.24)

F = 28.46

P = 0.0002

17.31

(11.61)

52.67

(20.88)

40.35

(17.81)

F = 4.13

P = 0.0585

 40–59 years age group

 (SD)

289.47

(6.71)

708.27

(106.11)

360.11

(156.57)

F = 13.76

P = 0.0026

281.50

(74.58)

582.92

(178.88)

516.16

(186.96)

F = 3.97

P = 0.0635

  > 60 years age group

 (SD)

575.68

(67.45)

1559.25

(292.80)

962.95

(350.71)

F = 11.99

P = 0.0039

695.47

(110.92)

1500.70

(425.02)

1451.66

(489.57)

F = 5.52

P = 0.0002

Annual average

incidence increase

rate (SD)

-3.64

(18.38)

86.30

(62.78)

-69.66

(40.56)

F = 10.82

P = 0.0072

26.10

(39.30)

79.13

(55.81)

-70.67

(44.20)

F = 9.38

P = 0.0104

 No. of DS which showed a declining hospital diagnosed CKD/CKDu incidence (Anuradhapura n = 22; Polonnaruwa n = 7)

1

6

15

0

0

7

CKD/CKDu Screening details

 Total screened

 (annual mean)

 [SD]

-

154 032

(77,016)

[21,237.25]

208 261

(52,065.25)

[29,998.66]

F = 1.05

P = 0.3627

-

75 826

(37,913)

[1742.31]

129 941

(32,485.25)

[10,692.61]

F = 0.45

P = 0.5373

 Screened % from population

 (annual mean)

 [SD]

-

14.34%

(7.17)

[1.09]

22.36%

(5.59)

[3.60]

F = 0.33

P = 0.5954

-

16.31%

(8.15)

[7.41]

29.64%

(7.41)

[3.59]

F = 0.08

P = 0.7962

 No. of DS divisions with highest annual number screened (Anuradhapura n = 22; Polonnaruwa n = 7)

0

14

8

0

5

2

 No. DS divisions with highest annual number screened occurring on or after decline of hospital diagnosed CKD/CKDu incidence (Anuradhapura n = 22; Polonnaruwa n = 7)

0

2

7

0

0

2

 No. of DS divisions with highest annual number screened occurring before decline of hospital diagnosed CKD/CKDu incidence (Anuradhapura n = 22; Polonnaruwa n = 7)

0

12

1

0

5

0

Details of RO plants

 No. of new RO plants

25

353

378

4

124

111

 No. of new beneficiary families (%)

4743 (2.0%)

74,951 (31.2%)

84,289 (35.1%)

F = 2.62

P = 0.1329

1060 (1.0%)

25,919 (27.1%)

51,673 (47.6%)

F = 4.96

P = 0.0397

Provision of drinking water RO plants to DS Divisions (Anuradhapura n = 22; Polonnaruwa n = 7)

 No. of DS which commenced RO projects (%)

9

13

0

2

5

0

 No. of DS with < 20% families getting RO water

22

7

0

7

3

0

 No. of DS with > 20% families getting RO water (%)

0

15

7

0

4

3

 No. of DS with > 20% families getting RO water on or before decline of hospital diagnosed CKD/CKDu incidence

0

6

12

0

0

7

 No. of DS with > 20% families getting RO water after decline of hospital diagnosed CKD/CKDu incidence

1

1

2

0

0

0