No

Tehsils

No. of sample

As concentration

(ng∙ml⁻¹)

≤10

(% samples)

>10

(% samples)

Average value

(ng∙ml⁻¹)

SPPS cases (%)

1

Layyah

250

0-150

86

14

8.37

50

2

Koror

235

0-100

87.7

12.3

8.94

25

3

Chobara

155

0-25

98

2

1.67

39