highly significantP = .004
A similar dose-dependent gradient was evident in the tertile analysis, where the P for trend was highly significant for moderate/severe IDA ( P = .004) but not for mild IDA ( P = .164). 4.
A similar dose-dependent gradient was evident in the tertile analysis, where the P for trend was highly significant for moderate/severe IDA ( P = .004) but not for mild IDA ( P = .164). 4.