Document Classification

Section Type: RESULTS

Text: The mean failure loads (N) were 502. 4 + / -152. 5 (Group 1), 416. 4 + / -122. 2 (Group 2a), 423. 0 + / -103. 3 (Group 2b) 422. 1 + / -138. 9 (Group 3a) 513. 2 + / -121. 7 (Group 3b), 488. 7 + / -153. 7 (Group 4a) 573. 4 + / -169. 2 (Group 4b), 856. 7 + / -112. 2 (Group 5a) and 649. 5 + / -163. 5 (Group 5b), respectively.