TABLE 1.

Results of two mumps enzyme immunoassays by age group

Test resultNo. (%) positive by:PaNo. (%) equivocal by:Pa
Age group (yr)No. testedEnzygnostMicroimmuneEnzygnostMicroimmune
1333161 (48)239 (72)<0.0131 (9)18 (5)0.05
2-6616397 (64)533 (87)<0.0161 (10)31 (5)<0.01
7-11250172 (69)229 (92)<0.0120 (8)8 (3)0.02
12-16164112 (68)155 (95)<0.0118 (11)3 (2)<0.01
17-19187100 (54)174 (93)<0.0120 (11)6 (3)<0.01
20-29234178 (76)225 (96)<0.0115 (6)4 (2)0.01
30-398654 (63)83 (97)<0.0110 (12)2 (2)0.02
40-494537 (82)44 (98)0.042 (44)0 (0)0.5
Total1,9151,211 (63)1,682 (88)<0.01177 (9)72 (4)<0.01
  • a P value for comparison of assays.