Table 3.

Pairwise meta sensitivity analysis.

Outcome	Effect model	Effect size	95% confidence interval	Effect model	Effect size	95% confidence interval
Number of active spermatozoa	FE	MD= 2.58	[-4.02,9.19]	RE	MD=-12.16	[-39.52, 15.19]
OA	FE	MD=-3.67	[-13.37,6.03]	RE	MD=-18.43	[-67.79, 30.92]
IA	FE	MD=8.00	[-1.03,17.03]	RE	MD=8.00	[-1.03, 17.03]
Number of necrotic spermatozoa	FE	MD=-53.27	[-75.89,-30.65]	RE	MD=-38.23	[-141.71, 65.24]
OA	FE	MD=-53.27	[-75.89, -30.65]	RE	MD=-38.23	[-141.71, 65.24]
Sperm density	FE	MD=-76.51	[-86.08,-66.93]	RE	MD=-72.86	[-96.36,-49.36]
OA	FE	MD=-98.00	[-115.19,-80.81]	RE	MD=-98.00	[-115.19,-80.81]
IA	FE	MD=-74.77	[-89.44, -60.10]	RE	MD=-68.88	[-106.73,-31.03]
RT	FE	MD=-54.00	[-72.66, -35.34]	RE	MD=-54.00	[-72.66, -35.34]

RE, random effects model; FE, fixed effects model; OA, Outdoor Aerobics; IA, Indoor Aerobics; RT, resistance training; Resistance Training.