Table 10 Cytotoxicity assay of Psidium guajava L., leaves extracts collected from different locations along with solvents and potassium dichromate represented by LC₅₀, 95% CI, and correlation coefficient (R²)

MGK

253.673 ± 47.18

136–370

0.8124

MGB

180.438 ± 33.51

97–263

0.9934

MGM

441.482 ± 185.07

− 18 to 901

0.9456

EGK

142.156 ± 15.35

104–180

0.8089

EGB

1538.75 ± 324.54

732–2344

0.9426

EGM

17,270.5 ± 21,352.00

− 35,770 to 70,311

0.8611

WGK

23,888.4 ± 5046.90

11,351–36,425

0.9396

WGB

6363.81 ± 1444.26

2776–9951

0.9318

WGM

56,008.1 ± 29,749.22

− 17,893 to 129,909

0.8764

Potassium dichromate (positive control)

16.15 ± 3.015

1

1